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How do I write tan(2 sin^-1(x)) as an algebraic expression?
4 answers
asked by
Andrew
2,916 views
The polygons are regular polygons. Find the area of the shaded region to the nearest tenth
(An image bellow of a white box inside
9 answers
asked by
Sadness from Inside Out
3,827 views
A cylindrical tank, 6 foot in radius, lies on it's side parallel and against the side of a warehouse. A ladder leans against the
7 answers
asked by
Mary
3,300 views
A weight is oscillating on the end of a spring. The position of the weight relative to the point of equilibrium is given by
6 answers
asked by
Nicole
7,886 views
The lengths QR, RP, and PQ in triangle PQR are often denoted p, q, and r, respectively.
What do the formulas 1/2 pq sinR and 1/2
5 answers
asked by
sarah
3,735 views
The angular speed of a point on a planet is 3pi/7 radian per hour. The equator lies on a circle of radius approximately 9000
4 answers
asked by
Erin
4,693 views
Jimmy wants to rewrite the set of parametric equations x = 1/2 T + 3 and y = 2T - 1 in rectangular form by eliminating T. Which
11 answers
asked by
Ian
3,998 views
prove (cscx-secx/cscx+secx)=(cotx-1/cotx+1)
4 answers
asked by
Bud
4,611 views
4. Asked to simplify the expression sin(180−è), Rory volunteered the following solution:
sin(180−è) = sin 180−sin è,
4 answers
asked by
sally
2,928 views
The seats of a Ferris wheel are 40 feet from the wheel's center. When you get on the ride, your seat is 6 feet above the
5 answers
asked by
Erin
4,584 views
The diameter of the wheels on your car (including the tires) is 25 inches. You are going to drive 305 miles today. Each of your
5 answers
asked by
Anonymous
5,925 views
True or false?
tan x = tan(x-6pi)
5 answers
asked by
Jay
3,067 views
A. Find simpler, equivalent expressions for the following. Justify your answers.
(a) sin(180 + è) (b) cos(180 + è) (c) tan(180
5 answers
asked by
sally
2,943 views
find the equation for the cosine function that has an amplitude of 3/5, a period of 3pi/2 and a y-intercept of 5.
4 answers
asked by
Jon
5,153 views
A playground slide starts 107cm above the ground and is 250cm long. What angle does the slide make with the ground? Give the
6 answers
asked by
Anonymous
2,252 views
Find the co terminal angle for 15pi/4
5 answers
asked by
Jenn
4,679 views
If the period of a cosine function is 1/3 what is the frequency of the function?
4 answers
asked by
Kiki
2,735 views
From a point A on the ground, the angle of elevation to the top of a tall building is 24.1 degrees. From a point B, which is 600
5 answers
asked by
Jennifer
4,449 views
Two pullies are connected by a belt, Pulley A has a radius of 3 cm and pulley B has a radius of 6cm. As Pulley A rotates, a drop
4 answers
asked by
Anonymous
1,683 views
The angle 2x lies in the fourth quadrant such that cos2x=8/17.
1.Which quadrant contains angle x? 2. Determine an exact value for
5 answers
asked by
Halle
4,582 views
On the same set of axes, sketch and label the graphs of the equations y = cos 2x and y = –2 sin x in the interval 0 ≤ x ≤
4 answers
asked by
Kiki
2,854 views
Theta = x
Question: Given angle x, where 0degrees <= x <= 360 degrees, solve for x to the nearest degree. b) sin(x + 20degrees) =
4 answers
asked by
Kwamette
1,871 views
How do you convert rectangular equations into polar equations? If x4−y4=xy , then
r2=atan(b); What is a? What is b?
4 answers
asked by
Audrey
3,628 views
If sin a=0.31 cos a=0.95 sin b=0.47 and cos b=0.88 what is sin (a+b)?
0.78 -0.17 0.98 0.72
4 answers
asked by
John
2,549 views
A 12 foot ladder leans against a building. The top of the ladder leans against the wall 10.5 feet from the ground. What is the
6 answers
asked by
Charlie
5,585 views
A plane has a speed of 250mph and flies with a bearing of N35degE. The wind is blowing from the west at 25 mph with a heading of
4 answers
asked by
Nancy
1,946 views
How do you find csc 163degrees 20minutes? (I didn't know how to insert the degree and minute marks)
3 answers
asked by
Annie
1,186 views
How do you find the exact circular function value of csc(-23pi/6)? I don't know how to do the pi symbol on the keyboard.
3 answers
asked by
Bailie
1,625 views
A pulley with a diameter of 24 inches is driven by a belt which is moving 1045 ft/min. How many revolutions per minute are made
4 answers
asked by
Katelyn
2,277 views
Find the length of a chord intercepted by a central angle of 25 degrees in a circle of radius 30 feet
4 answers
asked by
Anonymous
5,793 views
Morana is trolling for salmon in Lak Ontario. She sets the fishing rod so its tip is 1 m above the water and the line enters the
4 answers
asked by
Kim
1,592 views
A ferris wheel is 20 meters in diameter and boarded from a platform that is 3 meters above the ground. The six o'clock position
4 answers
asked by
Taylor
3,678 views
From two different tracking stations, a weather balloon is spotted from two angles of elevation, 57degrees and 83 degrees,
7 answers
asked by
Sonia
4,848 views
A sail boat on lake Huron leaves Southampton and sails 20degrees west of north of 20km. At the same time, a fishing boat leaves
7 answers
asked by
Sonia
1,139 views
mercury rotates around the sun in approx. 89 earth days (or 7,689,600 s. use a calculator to approximate its angular speed.
choic
5 answers
asked by
Bill
1,014 views
I need help with this application.
A pier 1250 meters long extends at an angle from the shoreline. A surveyor walks to a point
4 answers
asked by
Hutch
1,366 views
Which trigonometric function can equal or be greater than 1.000?
A Sine B Cosine C Tangent D none of the above
7 answers
asked by
Carl
4,383 views
sinAsin2A+sin3Asin6A+sin4Asin13A/sinAcos2A+sin3Acos6A+sin4Acos13A = tan9A
4 answers
asked by
Kewal
1,684 views
If CSC X = 4 in the quadrant 1, what is COS X?
4 answers
asked by
April
1,248 views
A ferris wheel at the fair has a radius of 60 feet. If it takes 24 seconds to make a full revolution, what is the linear speed
4 answers
asked by
Emily
1,246 views
What is the sum of the arithmetic series where n=100 , t1=7 and t2=205
4 answers
asked by
Kiki
1,111 views
a ships navigator determines that the ship is moving through the water at 17.5mi/h with a heading of 26.3 degrees north of east
4 answers
asked by
Erica
1,000 views
find the algebraic expression that is equal to sin (-theta) sec(-theta) cot(-theta)
4 answers
asked by
Amanda
594 views
While fishing on a lake, the fisherman looks up at a cliff. His boat is 23 ft from the base of the cliff, and the angle of
4 answers
asked by
Tg
1,673 views
A wheel turns with an angular velocity of 8 rad/s.
a. Express the angular velocity to the nearest tenth of a revolution per
4 answers
asked by
sareen
1,362 views
Find csc theta, given that cot theta =-1/2 and theta is in quadrent IV
4 answers
asked by
Ava
772 views
How do you express sin4x as a trigonometric funcition of x using the identities? I think that you are supposed to start with the
4 answers
asked by
Taylor
2,365 views
a sailor out in a lake sees two likght houses 11km apart along the shore and gets bearings of 285degrees from his present
4 answers
asked by
Sonia
1,996 views
Rewrite cos(tan^-1(v)) as an algebraic expression in v.
Can someone help me with this problem? Thanks
5 answers
asked by
Jennifer
1,842 views
A tree is growing at an angle out of the ground, 15°17' from vertical. Standing 10 feet away from the base, the angle to the
4 answers
asked by
Anonymous
1,370 views
(Sec(theta)*sin(theta))/(tan(theta)+cot(theta))=sin^2(theta)
5 answers
asked by
PLEASE HELP
3,745 views
Use the fundamental identities to simplify the expression:
cot beta sec beta I used 1+tan^2u=secu since cot is the inverse of
4 answers
asked by
Tara
1,498 views
Find all solutions w between 0 and 360, inclusive:
(a) cosw = cos(−340) (b) cosw = sin 20 (c) sinw = cos(−10) (d) sin w < −
5 answers
asked by
sally
2,642 views
A bridge is built in the shape of a parabolic arch. The bridge has a span of s= 160 feet and a maximum height of h= 25 feet.
4 answers
asked by
EVJ
3,927 views
Factor and simplify the expression.
1-sin^3 x
4 answers
asked by
Amber
882 views
A 7.25 inch circular saw blade rotates at 5200 revolutions per minute.
a) Find the angular speed of the saw blade in radians per
3 answers
asked by
Emily
2,447 views
If you are dealt 3 cards from a shuffled deck of 52 cards, find the probability that all 3 cards are picture cards.
4 answers
asked by
Katie
3,837 views
A baseball diamond is a square with sides 22.4m The pitchers mound is 16.8m from home plate on the line joining home plate and
9 answers
asked by
Nikki
2,770 views
Suppose you would like to cross a 209-foot wide river in a boat. Assume that the boat can travel 32 mph relative to the water
4 answers
asked by
Adam
874 views
The postal service places a limit of 84 inches on the combined lenght and girth (distance around) of a package to be sen parcel
4 answers
asked by
Meg
5,470 views
What is the total number of solutions for the equation 3 tan^2 A + tan A – 2 = 0 in the interval. 0 ≤ A ≤ π?
3 answers
asked by
Kiki
1,430 views
Two pilots take off from the same airport. Mason heads due south. Nancy heads 23 west of south. After 400 land miles, how far
3 answers
asked by
Anonymous
501 views
Find all angles θ between 0° and 180° satisfying the given equation. (Enter your answers as a comma-separated list. Round
4 answers
asked by
Amanda
4,987 views
Use the Law of Cosines to determine the indicated angle θ. (Assume a = 17, b = 10, and c = 20. Round your answer to one decimal
4 answers
asked by
Courtney
2,754 views
In which quadrant would the image of point (5,-3) fall after a dilation using a factor of -3?
5 answers
asked by
Sue
2,484 views
The point (1/3,1/4) lies on the terminal side of an angle.
Find the exact value of the six trig functions, and explain which
4 answers
asked by
Lucy
2,372 views
If secx = 8 and -pi/2 < x < 0, find the exact value of sin2x
Use the identity sin 2x = 2(sinx)(cosx) if secx = 8, then cosx = 1/8
3 answers
asked by
Ashley
1,029 views
Which expression equivalent to: cos(theta + pi/2).
A)cos theta B)-cos theta C)sin theta D)-sin theta my book doesnt give examples
4 answers
asked by
Jon
1,900 views
Using a double angle formula how would you find the exact value of this expression?
Cos²105° - sin²105°
4 answers
asked by
Brian
1,266 views
This problem is stumping me, can anyone help me?
The Earth rotates every 24 hours (actually 23 hours, 56 minutes and 4 seconds)
3 answers
asked by
jake
1,167 views
An historic lighthouse is 200 yards from a bike path along the edge of a lake. A walk to the lighthouse is 400 yards long. Find
4 answers
asked by
Victoria
1,956 views
Simplify::::
sin (teta) cot (teta) = cos (teta)
3 answers
asked by
John
491 views
Virgil sets his boat on a 1000-yard course keeping a constant distance from a rocky outcrop.
If Virgil keeps a distance of 200
4 answers
asked by
Anonymous
738 views
assume a pulley has a radius of 12.96 cm. If it takes 18 seconds for 56 cm of belt to go around the pulley, find the angular
4 answers
asked by
SK
3,813 views
A ship leaves its homeport and sails on a bearing of N28degrees10'E. Another ship leaves the same port at the same time and
4 answers
asked by
SK
2,833 views
If two runners determine the angle of elevation of a hot air ballon is 24.5 degrees and 22 degrees. The hot air ballon is 1500
4 answers
asked by
Mackenzie
723 views
What is the vertical asymptote of y=tan(x-pi/3)?
3 answers
asked by
Mack
1,243 views
How can I find the exact value of Sin 480 degrees? Thanks
6 answers
asked by
Rachal
6,255 views
Find the amplitude, period, and phase shift of the following function:
y=-2cos2(θ+45)
2 answers
asked by
Tianna
517 views
Find an equation for the hyperbola described.
Foci at (-4,0) and (4,0); asymptote the line y= -x. Please explain the steps of
4 answers
asked by
EVJ
1,822 views
A ship leaves port with a bearing of S 40 W. After traveling 7 miles, the ship turns 90 degrees on a bearing of N 50 W for 11
3 answers
asked by
Unkown
2,492 views
The length of the base of an isosceles triangle is one fourth the length of one of its legs. If the perimeter of the triangle is
4 answers
asked by
Rina
2,234 views
A 16 - foot ladder leaning against the side of a house reaches 12 feet
up the side of the house. What angle does the ladder make
4 answers
asked by
Bri
4,475 views
Solve the multiple-angle equation. (Enter your answers as a comma-separated list. Let n be any integer. Enter your response in
3 answers
asked by
Ashley
2,009 views
Find the reference angle θ'.
θ= -7pi/9
4 answers
asked by
John
1,311 views
the sine of an angle is 0.6. the constraint is the angle lies in quadrant II.
how do I figure out what x is to solve the six
4 answers
asked by
math
1,455 views
given that sinx=3/4 and cosy=-5/13 and both x and y are in quadrant II, find the exact value of cos(x-y)
4 answers
asked by
Blaire
1,588 views
How do you solve this problem?
y = 2sin 3x + 4sin 2x I haven't done these types of problems for awhile and have forgotten how to
2 answers
asked by
Mary
567 views
If 0 ≤ x ≤ 2π, which equation is a line of symmetry for the graph of y = cos x?
x = 0 x = 2π x = π y = 0
4 answers
asked by
Kiki
1,819 views
What is the common ratio, r, for the sequence represented by the formula an = 3(2)^-n?
1/2 2 3 6 Is it 2?
4 answers
asked by
Kiki
730 views
A railroad tunnel is shaped like a semiellipse as shown below.
A semiellipse is shown on the coordinate plane with vertices on
3 answers
asked by
Lisa
3,572 views
A ladder 35.4 feet long is leaning against an embarkment inclined 62.5 degrees to the horizontal. If the bottom of the ladder is
4 answers
asked by
thrish
2,402 views
Find the approximate value of cot θ, given that csc θequals=3.5891420 and θ is in quadrant I.
4 answers
asked by
Ashley
4,417 views
Explain how to find the reference angle of 1406 degrees. Find the reference angle.
The reference angle is 34 but how do you get
4 answers
asked by
David
4,949 views
An airplane flies 180 miles from point A in the direction 120 degrees and then travels 210 degrees for 80 miles. Approximately
7 answers
asked by
Meranda
956 views
rewrite in polar form x^2+y^2-6y-8=0
Please help totally don’t et this :/
3 answers
asked by
John
1,419 views
Use fundamental identities and or the complementary angle theorem to find the value of the expression: tan 55°-cos 35°/sin
3 answers
asked by
Ted
1,775 views
Outside temperature over a day can be modelled as a sinusoidal function. Suppose you know the high temperature for the day is 51
1 answer
asked by
Brody
622 views
If cot x = ( - square root 2) and sin x > 0, find cos x
4 answers
asked by
Wolferal
2,200 views
A surveyor wants to find the distance from a rock on east side of river to a tree across on the opposite bank. On east side he
3 answers
asked by
Peg
659 views
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