Questions LLC
Login
or
Sign Up
Ask a New Question
Categories
Trig
Page 6
Questions
Since the center is 6 feet above the water, the horizontal line of symmetry of the sine curve will be 6 units above the x-axis.
1 answer
asked by
Jessica
419 views
P was at its maximum after 5 seconds. Use this information to write the value of the last constant, h. (If the value is a
1 answer
asked by
Jessica
373 views
Sketch the graph through at least one complete cycle. Label the axes on the coordinate plane. Use your graph to predict the
2 answers
asked by
Jessica
823 views
Given y=2-4cos(3x-pi/4), find each of the following, giving the general representation of the location of all minimums. Also
1 answer
asked by
Joe
680 views
find all solutions to the equation √3 csc(2theta)=-2
Would the answer be π/6 + 2πn, 5π/6 +2πn or π/6 + πn, 5π/6 +πn? or
2 answers
asked by
Bob
669 views
Verify the following identity:
1-cosx/sinx=sinx/1+cosx
1 answer
asked by
Lynn
366 views
verify the following identity:
sin(x+y)*sin(x-y)=sin^2x-sin^2y
1 answer
asked by
Lynn
284 views
verify the following identity:
cos(A-B)/cosAsinB=tanA+cotB
1 answer
asked by
Lynn
490 views
verify the following identity:
tanx+cotx/cscx=secx
2 answers
asked by
Lynn
692 views
verify the following identity:
2sinxcos^3x+2sin^3cosx=sin(2x)
2 answers
asked by
Lynn
555 views
There is an airplane at an altitude of 12000 ft. The angle of depression is 1 degree. How far on the ground is the plane.
2 answers
asked by
Pam
958 views
Claim: For all theta such that
-pie/2<theta<pie/2 the following holds true: (1+tan(theta))^2=1/cos(theta)
3 answers
asked by
Chay
399 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
4,483 views
Two ships leave the same port at 7.am. The first ship sails towards europe on a 54 degree course at a constant rate of 36 mi/h.
4 answers
asked by
Pcwest
3,480 views
A sprinkler on a golf green is set to spray water over a distance of 20 meters and to rotate through an angle of 160°. Find the
1 answer
asked by
Danya
1,331 views
A ladder is resting against a wall. The ladder and the ground and angle of 40 degrees and the ladder is 4 ft. from the wall. How
2 answers
asked by
Dayna
626 views
Let f and g be two invertible functions such that f^-1(x)=5/x+4 and g(x)=4(x-2). Find f(g(5)).
Show your steps please so I can
1 answer
asked by
Bailey
441 views
From an observation tower that overlooks a runway, the angles of depression of point A, on one side of the runway, and point B,
7 answers
asked by
Nikki
482 views
a person who eyes are 5 feet above the ground observes the top of a building to have an angle of elevation of 40 degree. The
2 answers
asked by
Anonymous
690 views
Sin theta=8/17, theta in Quadrant I, Cos X=-sqrt5/5 in Quadrant II
4 answers
asked by
Javier
530 views
From a point 120 feet from the base of a plant building the angle of elevation to the roof line of the building is 38 degrees.
1 answer
asked by
Dan
916 views
Give: a=alpha B=beta
csc a= 2 pi/2<a<pi secB=-3 pi/2<B<pi 1)find sin(a+B) 2)find tan(a-B) 3)cos B/2 4)sin a/2
1 answer
asked by
Sierra
371 views
Suppose you would like to cross a 200-foot wide river in a boat. Assume that the boat can travel 35 mph relative to the water
2 answers
asked by
Adam
831 views
A population of animals oscillates annually from a low of 1300 on January 1st to a high of 2200 on July 1st, and back to a low
2 answers
asked by
Alex
1,144 views
The height of a rider on a Ferris wheel is given by h(t)=12-10c0s(2pi)(t) meters, where t gives time, in minutes of the ride.
a.
1 answer
asked by
Carrie
416 views
cos x cot = csc - sin
3 answers
asked by
Alycia
457 views
15^(-x-3)=-17^(-3x) using a log base 10
1 answer
asked by
Jason
284 views
Find the other five trigonometric ratios of theta.
cos theta=7/20 cos theta=1/5
1 answer
asked by
Lavanda
429 views
log base b 64 - log base b 16 = log base 4 16
solve for the variable.. i got to the part as far as: (log 4/log b) = 2 now i m
4 answers
asked by
Anonymous
1,034 views
A 12-foot ladder reaches 9 ft 6 in up a wall. How far up would a 20-foot ladder reach when placed at the same angle? Write the
3 answers
asked by
Kelly
452 views
What re the roots of the following polynomial equation (x+5)(x+2)(x-5)=0
1 answer
asked by
Anonymous
332 views
Using this graph: imgur [dot] com/utSgKI9
Find the measures of angles A and G in the drawing (m is parallel to n) if C=4x-18 and
1 answer
asked by
Bruno
332 views
A 60-foot flagpole stands on top of a building. From a point on the ground the angle of elevation to the top of the pole is 45
2 answers
asked by
Stephanie
1,251 views
The point P(3, 4) is on the terminal side of θ. Evaluate tan θ.
3/4 3/5 4/3 4/5
4 answers
asked by
Mitchel
2,248 views
Find the point on the terminal side of θ = three pi divided by four that has a y coordinate of 1. Show your work for full
4 answers
asked by
Mitchel
6,516 views
(csc(B)+cot (B))(csc(B)-cot(B))
1 answer
asked by
VD
433 views
How do I prove that
tan(x/2) =( plus/minus) sqrt(1-cos(x/1+cos(x))
1 answer
asked by
Sarah
393 views
A Ferris wheel is 40 meters in diameter and boarded from a platform that is 4 meters above the ground. The six o'clock position
3 answers
asked by
Christine
2,670 views
The diagonals of a parallelogram intersect at a 42◦ angle and have lengths of 12 and 7 cm. Find the lengths of the sides of
3 answers
asked by
Chris
1,491 views
Three circles with radii of 4, 5, and 6 cm, respectively, are tangent to each other externally. Find the angles of the triangle
4 answers
asked by
Chris
1,268 views
Verify the identity.
cos 4x + cos 2x = 2 - 2 sin^2(2x) - 2 sin^2 x
4 answers
asked by
Mitchel
3,441 views
Is the angle 11pi/12 on the unit circle the same as the angle -pi/12? I'm thinking it would be, but I'm not sure.
3 answers
asked by
Casey
1,173 views
A pendulum swings through an angle of 22 degrees each second. If the pendulum is 30 inches long, how far does its tip move each
3 answers
asked by
Courtney
2,402 views
Four wires support a 40-meter radio tower. Two wires are attached to the top and two are attached to the center of the tower.
2 answers
asked by
Tina
550 views
A plane if flying at 200 mph with a heading of 45 degrees and encounters a wind of 100 mph from the west. What is the resulting
2 answers
asked by
Sarah
622 views
help please!:
(sinx + sin2x +sin3x) / (cosx + cos2x + cos3x) = tan2x
3 answers
asked by
Aiden
843 views
the height of a flagpole if a student stands 37 feet from it and determines the angle of elevation to be 34 degrees and her eyes
2 answers
asked by
David
721 views
the number of solutions of sin x= -sqrt3/2 for x between 0 and 2pi
2 answers
asked by
David
678 views
Whats the height of a flagpole if a student stand 37feet from it and determines the angle of elevation to be 34degrees and her
1 answer
asked by
David
363 views
a. Form a pair of simultaneous equations by letting y1 equal the left side and y2 equal the right side of sqrt 5-x=1.
b.Repeat
2 answers
asked by
Lavanda
530 views
How do I find the exact value of sin (pi/24)?I am crying
1 answer
asked by
Luis
293 views
What is the exact value of tan(s+t) if sin(s+t)=56/65. And cos(s)=5/13 and sin(t)=4/5. Everything is in the first quadrant
1 answer
asked by
Heather
328 views
True or False: For a one-to-one function, y = f(x),then x = F^-1(y). Explain your answer.
Please help.
2 answers
asked by
Clarissa
520 views
True or False: For a trignometric function, y = f(x), then x = f^-1(y). Explain your answer.
Thanks.
2 answers
asked by
Clarissa
548 views
If 180<A<270 and sinA= -radical(5)/3, find tan(1/2)A.
2 answers
asked by
Joseph79
488 views
prove that tanA divided by the sinA equals the secA
3 answers
asked by
Dominique
600 views
How do I use the unit circle to evaluate tan(-3pi/4)
2 answers
asked by
Courtney
1,271 views
Use a half-angle identity to find the exact value for sec(x/2) if sinx = -12/13 ; 3pi/2 < x < 2pi
1 answer
asked by
Anna
455 views
Simplify (sin^2)*(67.5deg) - (cos^2)*(67.5deg) and then evaluate exactly.
5 answers
asked by
Max
479 views
Verify that each trigometric equation is an identity.
1/1-sinx + 1/1+sinx = 2 sec^2x
1 answer
asked by
Katelyn
432 views
Sin^2 b(1 +cot^2 b) =1
1 answer
asked by
Tay
318 views
Solve the trig equation exactly over the indicated interval.
tanθ = 0, all real numbers I know the answer is πn, but I don't
3 answers
asked by
Anne
417 views
Find the exact values of sin 2 theta, cos 2 theta and tan 2thea using the double angle formula
sin theta = 3/4 , pi/2 < theta <
2 answers
asked by
Jiskhaa
523 views
Solve the equation on 0° ≤ θ < 360° and express in degrees to two decimal places.
sin(2θ) = -0.7843 I've gotten 308.345°
4 answers
asked by
Mary
1,415 views
Solve exactly over 0 ≤ θ < 2π
secx + tanx = 1
1 answer
asked by
Lisa
321 views
Convert this equation so that it could be entered into a calculator in the standard y= format. x^2 - 4xy + 4y^2 - 8y + 2 = 0
1 answer
asked by
Lost One
292 views
Rewrite 6x^2 - sqrt(3)xy + 5y^2 - 9 = 0 with the xy term eliminated.
1 answer
asked by
Lost One
276 views
From a certain distance from the base of a Giant Sequoia tree a surveyor determines that the angle of elevation to the top of
5 answers
asked by
Mary
667 views
solve over the indicated interval expressed in degrees to 2 decimal places. sec(theta/2)=1.4275, 0<theta<360degrees
1 answer
asked by
Anonymous
390 views
This has to do with dot products (I can't make the arrow above the u, i, or j).
Given u = 4i - 6j and v = -3i + 5j, find
1 answer
asked by
Mary
261 views
This has to do with vectors...I'm wondering if I set up the diagram correctly?
A plane has a speed of 250mph and flies with a
4 answers
asked by
Mary
454 views
Rewrite -2x^2 + sqrt(3)xy - y^2 +2 = 0 with the xy term eliminated. Round terms to nearest hundredth.
1 answer
asked by
Lost One
294 views
Convert 2xy = 1 to polar form.
3 answers
asked by
Lost One
2,716 views
A parabola has its vertex on the graph of the line y=3x+1 and passes through (1,10). If it is the same size,?
shape, and
2 answers
asked by
Rebekah
629 views
csc thea= -2, quadrant 4. what are the six trig functions?
2 answers
asked by
Shay
504 views
cos[(tan^-1(3/4))+(cos^-1(9/41))]
3 answers
asked by
Hannah
983 views
Use sum and difference identitites to find the exact value of co 15 degrees
4 answers
asked by
Christy
1,390 views
Verify the identity.
1/(tanx-secx) + 1/(tanx+secx) = -2tanx
1 answer
asked by
Elle
472 views
Verify the identity.
(secx + tanx)/(secx - tanx) = (1 + 2sinx + sin(^2)x)/cos(^2)x
1 answer
asked by
Allie
677 views
Find the area of a sector with the given central angle θ in a circle of radius r.
θ = 90°, r = 6 cm
2 answers
asked by
John
925 views
Find the reference angle θ'.
θ= -7pi/9
4 answers
asked by
John
1,319 views
The angle of elevation from a point on the ground to the top of a tower is 37deg5'. The angle of elevation from a point 120 feet
4 answers
asked by
john
818 views
Determine the number of triangles with the given parts.
b=24 c=29 B=40deg I got 1
2 answers
asked by
Helay
454 views
Multiply and Simplify.
( 1 + cot θ )^2
1 answer
asked by
Trig
414 views
A tire is rotating 600 times per minute. Through how many degrees does a point on the edge of the tire move in 1 minute?
3 answers
asked by
Jade
913 views
Suppose a CD player makes 48 revolutions per minute. Through how many degrees will a point on the edge of a CD move in 1 minute?
1 answer
asked by
Jade
344 views
Find all solutions in the interval 0 degrees<θ<360 degrees. If rounding necessary, round to the nearest tenth of a degree.
3 answers
asked by
Lisa
478 views
Given that cos θ = 5/13 and θ is in QIV, find the exact value of
a. y b. sin θ c. sec θ d. tan θ
2 answers
asked by
Paula
649 views
Given that tan θ = - (√3/8) and θ is in QII, find the exact value of
a. r = b. csc θ c. cos θ d. cot θ
2 answers
asked by
Paula
505 views
Given that csc θ = -4 and tan θ > 0, find the exact value of
a. x b. sin θ c. cos θ d. r e. sec θ f. cot θ
2 answers
asked by
Paula
535 views
suppose tan theta equal 4 and theta lies in the third quadrant. find the values of sec theta
2 answers
asked by
Broskie
546 views
Let sin A = 12/13 with 90º≤A≤180º and tan B = -4/3 with 270º≤B≤360º. Find tan (A + B).
3 answers
asked by
Anonymous
726 views
Suppose sinA = 12/13 with 90º≤A≤180º. Suppose also that sinB = -7/25 with -90º≤B≤0º. Find cos(A - B).
1 answer
asked by
Anonymous
436 views
Suppose sin A = 12/13 with 90º≤A≤180º. Suppose also that sin B = 7/25 with -90º≤B≤0º. Find tan (A - B).
3 answers
asked by
Anonymous
461 views
Evaluate and simplify cos(-15º). Hint: Substitute 30º-45º for -15º.
1 answer
asked by
Anonymous
396 views
Find the exact value of sin π/12.
1 answer
asked by
Anonymous
282 views
Use the equation mg sin A = umg cos A to determine the angle at which a waxed wood block on an inclined plane of wet snow begins
1 answer
asked by
Anonymous
375 views
Rewrite the expression (tan A)(cot A) in terms of a single trigonometric ratio.
2 answers
asked by
Anonymous
487 views
(x+1)(x-4) is greater than or equal to (x-2)^2
1 answer
asked by
Kiki
297 views
2x^2+2x>4
4 answers
asked by
Kiki
199 views
Pages
1
2
3
4
5
6
7
8
9