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Trigonometry
Page 6
Questions (13,116)
Use the related acute angle to state an equivalent expression:
a) tan 110 degrees b)sin 350 degrees
5 answers
asked by
Emily
2,552 views
Find the exact values of x in the interval [0, 4π] that satisfy the equation sin x = -√2 / 2 (refer to y = sin x or y = cos x
3 answers
asked by
Trevor N.
2,625 views
find B in [0,pi] and real number C such that cot theta= C tan(theta-B)
4 answers
asked by
T-Money💰💎💰
782 views
if tan theta = 1/7 and tan phi= 1/3 then prove that cos 2 theta= sin 4 phi
4 answers
asked by
ipshita
5,001 views
From a small boat at the sea the angle of elevation to the top of the cliff, 128m above sea level, is 28 degrees. After rowing
4 answers
asked by
Seymour
161 views
Given that cos 13pi/18=sin y, first express 13pi/18 as a sum of pi/2 and an angle, and then apply a trigonometric identitiy to
4 answers
asked by
uwu
735 views
Igor is flying a kite. he has let out 300 feet of kite string. the string makes an angle of 64 degrees with the level ground. To
4 answers
asked by
Breana
3,488 views
Find the measurement of angle X given that tan X=0.5736 . Round to the nearest degree.
4 answers
asked by
Brittany
1,181 views
how many solutions are there to
csc^2x=25 (0≤x<2π)
3 answers
asked by
Jack
955 views
How do you figure out the exact circular function value of sec(23pie/6)?
*I don't know how to get the [pie]symbol on my keyboard
3 answers
asked by
Jasmine
485 views
find the measure of a negative angle coterminal with 265°
3 answers
asked by
Deysi
951 views
Simplify to a single term
Sin(540-x).sin(-x) -cos(180-x).sin(90+x)
3 answers
asked by
Hope
1,062 views
A hiker is 400 meters away from the base of the radio tower. The angle of elevation to the top of the tower is 46 degrees . How
6 answers
asked by
Daniela
2,725 views
Write each expression as the function of an acute angle whose measure is less than 45 degrees:
Cos 110 degrees b) tan 265 degrees
3 answers
asked by
coleen
1,529 views
The position of a particle moving in a straight line is given by s(t) = (e^(-t))(cos(5t)) for t>0, where t is in seconds. If the
7 answers
asked by
lovejoy
1,525 views
Using Sine Rule In Triangle ABC,A=29degree,B=36degree,b=15.8cm Find a
12 answers
asked by
Rahmot
2,423 views
Cosine is established as a rotation of a ray formed initially on which axis?(1 point) Responses the positive y-axis the positive
1 answer
asked anonymously
88 views
Use the Law of Cosines, a2=b2+c2−2bc⋅cosA , to find the value of angle A in a right triangle, where a=9 , b=40 , and c=41
1 answer
asked anonymously
35 views
Which of the following is the correctly set up trig ratio?(1 point) Responses cos 37°=x12 cos 37°=x12 tan 37° = 12x tan 37°
1 answer
asked anonymously
42 views
A 25-foot rope is tied to the top of a 8-foot vertical pole. If the rope is pulled tight what is the angle of elevation formed
1 answer
asked anonymously
62 views
Marna is flying a helicopter at 1,350 feet and sees an airplane 2,400 feet in front of but also above her. Marna knows the angle
1 answer
asked anonymously
42 views
Viola drives 200 meters up a hill that makes an angle of 9° with the horizontal. To the nearest tenth of a meter, what
1 answer
asked by
quick check
29 views
the angle of elevation from the base to the top of a water slide is about 28 degrees. the horizontal length of the slide is
1 answer
asked by
TAMU74
9 views
Solve for x given the interval of [0,2pi).
cos^2x=2+2sinx I got (3pi)/2 or 270 degrees.. By the way, does the notation [0,2pi)
4 answers
asked by
Anonymous
3,813 views
For a particular angle theta, the cosine function f(x) = a cos b(theta) has the following values within one cycle of the
7 answers
asked by
Bryce
7,835 views
Simplify the trigonometric expression.
sin^2 theta / 1-cos theta A. 1+cos theta B. sin theta C. 1-sin theta / cos theta D. 1+sin
6 answers
asked by
Caleb
8,671 views
A beam rests against a wall, forming a 50 degree with the floor. Use the function y=9 sec 0 to find the length of the beam to
10 answers
asked by
Kathryn
6,407 views
A radio tower is located 450 feet from a building. From a window in the building, a person determines that the angle of
5 answers
asked by
marie darling
5,124 views
True or false?
tan x = tan(x-6pi)
5 answers
asked by
Jay
3,057 views
Solve for sin4x=sin2x?
4 answers
asked by
Anonymous
7,186 views
Find the co terminal angle for 15pi/4
5 answers
asked by
Jenn
4,671 views
Given that 3cos2x + 17sinx = 8, find the exact value of sinx .
5 answers
asked by
Sarah
781 views
Determine the quadrant in which an angle, θ, lies if θ = 5.40 radians.
a. 4th quadrant b. 3rd quadrant c. 2nd quadrant d. 1st
5 answers
asked by
Jessica Maths
2,897 views
Find sin x/2, cos x/2, and tan x/2 from the given information.
[1]. sin x = 5/13, 0° < x < 90° 1). sin x/2 =________. 2). cos
4 answers
asked by
Amber
2,337 views
Let ABCD be a square, and let M and N be the midpoints of BC and CD respectively. Find sin<MAN.
10 answers
asked by
Knights
7,704 views
A pilot of an airplane flying at 12,000 feet sights a water tower. The angle of depression to the base of the tower is 25°.
3 answers
asked by
Peter
1,804 views
At a point on the ground 50 feet from the foot of a tree, the angle of elevation to the top of the tree is 53°. Find the height
7 answers
asked by
Anonymous
8,601 views
A sinusoidal function has an amplitude of
4 units, a period of 90°, and a maximum at (0, 2). a) Represent the function with an
4 answers
asked by
Evan
1,694 views
A student stands 20m away from the foot of a tree and observes that the angle of elevation of the top of the tree , measured
4 answers
asked by
Anonymous
679 views
Angle a lies in the second quadrant and sina=7/25.
a) Determine an exact value for cos 2a b) Determine an exact value for sin 2a
5 answers
asked by
Anonymous
3,148 views
sin(θ + ϕ);
sin(θ) = 5/13 θ in Quadrant I, cos(ϕ) = − 2root 5 over 5 ϕ in Quadrant II please give final answer this is bc
4 answers
asked by
Andy
5,681 views
evaluate the expression under the given conditions.
cos(θ − ϕ); cos(θ) = 5/13, θ in Quadrant IV, tan(ϕ) = − square
4 answers
asked by
Ruth
13,071 views
Suppose that (x,5/13) is a point in quadrant 2 lying on the unit circle. Find x. Write the exact value, not a decimal
5 answers
asked by
Julia Hunt
6,523 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
1,870 views
If θ is an angle in standard position and its
terminal side passes through the point (−3,2), find the exact value of cscθ . I
5 answers
asked by
Rony
7,226 views
Two satellites are in Earth's orbit and are 424 km apart. If an observer is 658 km away from satellite A and 471 km away from
7 answers
asked by
girly girl
5,287 views
What is the frequency of the function f(x)?
f(x)=−2sin(x/4)+3 Express the answer in fraction form. would is be (x/4)?
4 answers
asked by
sammiexo
3,949 views
The water level varies from 12 inches at low tide to 52 inches at high tide. Low tide occurs at 9:15 am. High tide occurs at
9 answers
asked by
steve
6,423 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
4,839 views
cos(2tan^-1(15/8))
4 answers
asked by
Amanda
1,739 views
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