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Trigonometry
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Questions (13,439)
A 25ft ladder is leaning against a vertical wall. At what rate (with respect to time) is the angle between the ground and the
5 answers
asked by
lilac
1,458 views
Use triangle ABC to write the value of sinB as a ratio.
Triangle A B C with right angle at A, and hypotenuse B C. The following
6 answers
asked by
GROOVE
2,147 views
The feet of two vertical poles of heights 3m and 7m are in line with a point P on the ground the smaller pole being between the
5 answers
asked by
Foluke
2,077 views
a tree growing on a hillside casts a 102-foot shadow straight down the hill. Find the vertical height of the tree if, relative
4 answers
asked by
jc
2,557 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
2,574 views
The captain of a ship at sea sights a lighthouse which is 260 feet tall.
The captain measures the the angle of elevation to the
2 answers
asked by
Vanessa
1,280 views
A man is in a tree house 10 ft. above the ground. He is looking at the top of another tree that is 22 ft. tall. The bases of the
5 answers
asked anonymously
75 views
Mitch is 6 feet tall and is looking at a bird on top of a 12-foot street light. He is standing 16 feet from the the light post.
1 answer
asked anonymously
44 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
87 views
Which of the following are true statements? Select all that apply. (1 point) Responses sin 67° = sin 42° cos 25° + cos 42°
1 answer
asked anonymously
86 views
Use the graph of y = sin Θ to find the value of sin Θ for each value of Θ. 270° • The x axis extends from negative 30 to
1 answer
asked anonymously
23 views
Use the graph of y = sin2θ to find the value of sin 2θ for θ = radians. The curve has x-intercepts at every integer multiple
1 answer
asked anonymously
41 views
Note: Enter your answer and show all the steps that you use to solve this problem in the space provided.
An obtuse triangle with
1 answer
asked anonymously
26 views
solve the equation cos theta - tan theta * cos theta = 0 for 0< theta < 2 pi
My answer is pi/4,5pi/4
4 answers
asked by
Steve
3,871 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
8,701 views
Find cos theta and cot theta if sin =1/4 and tan theta <0
4 answers
asked by
Shay
5,327 views
1. At which values of x does the graph of f(x)=cos x intersect the x-axis? Select all that apply. (2 answers)
a. 0*** b. pi/2***
9 answers
asked by
girly girl
4,758 views
What is a simplified form of the expression (sec^3 theta) - (sec theta/cot^2 theta)?
a. 0 b. sec theta-tan theta c. cos theta d.
7 answers
asked by
girly girl
3,142 views
A kite has a string of length 60 metres. On a windy day all the string is let out and makes an angle of between 20 and 36 with
5 answers
asked by
Layla
1,252 views
find the exact value of tan(2sin-1 3/5)
4 answers
asked by
Anonymous
1,683 views
8sin^2x+sinxcosx+cos^2x=4
5 answers
asked by
LiNnda
2,115 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
4,859 views
A search and rescue aircraft, travelling at a speed of 240 km/h starts out at a heading of N 20 degrees West. After travelling
3 answers
asked by
Sara
1,637 views
P and Q are two observation posts on the same horizontal ground as the foot R of a vertical pole RT. P is 2.5km south of R. Q is
5 answers
asked by
Thompson
1,500 views
Find the angle elevation of the top of a flagpole 31.9m high from a point 55m away on level ground
11 answers
asked by
Kay
2,557 views
A man is standing in the corridor of a ten storey building and looking at a tall tree in front of the building he sees the top
5 answers
asked by
oyinkansola
1,404 views
the shadow of an electric pole is 5m long when the angle of elevation of the sun is 60 degree .find the length of the shadow
7 answers
asked by
Anonymous
4,146 views
A surveyor sights two signs and the angle between the two lines of sight measures 55. If the first and the second signs are 70 m
6 answers
asked by
Jane
6,454 views
angle x lies in the third quadrant and tanx=7/24
determiner an exact value for cos2x determiner an exact value for sin2x
4 answers
asked by
Anonymous
2,990 views
A lighthouse is 9.6 nautical miles from a ship which bears 156 degrees from the lighthouse.How far is the ship east of the
5 answers
asked by
Shane
1,015 views
Evaluate 2 tan 240 degrees + 3 cos 12 degrees leaving your answer in surd form
5 answers
asked by
Ayomide
1,425 views
As you ride a ferris wheel your distance from the ground varies sinusoidally with time. you notice that it takes you 80 seconds
5 answers
asked by
daniel
1,084 views
a plat form and a building are on the same horizontal plane , the angle of depression of the bottom of the building from the top
4 answers
asked by
chris
1,435 views
from the top of a vertical mast 150m high,two huts on the same ground level are observed. One due east and the other due west of
9 answers
asked by
Folorunsho
2,267 views
If θ is an angle in standard position and its terminal side passes through the point (-1,3), find the exact value of
5 answers
asked by
Anonymous
14,567 views
A plane flies in a direction of N70°E for 80 km and then on a bearing of S10°W for
150 km. a How far is the plane from its
5 answers
asked by
p
2,510 views
(Triangle ABC is scalene) AC is a straight shore line and B is a boat out at sea. Angle A is 60 degrees and Angle C is 45
5 answers
asked by
Abby
3,707 views
If k = 2π/45, what is the period?
5 answers
asked by
Muneer
2,474 views
Use the image to answer the question. Which ratio would be used to find x?
A.) tan (20*)=x/54 B.) tan (20*)=54/x C.) cos
4 answers
asked by
Roses
2,710 views
If cosx=3√/2 and −π/2≤x≤0, then the exact value of x, in radians
4 answers
asked by
Anonymus
2,163 views
Draw the unit circle and a first-quadrant ray from the origin that makes an angle theta with the positive x-axis. Let B be the
5 answers
asked by
yadlay
2,376 views
What are the period and amplitude of the function y=2sin4 theta?
A. pi/2 and 2 B. pi and 4 C. pi/2 and 4 D. pi/2 and 1 I think
4 answers
asked by
Caleb
3,882 views
Write the expression as a trigonometric function of only θ, and use a graphing utility to confirm your answer graphically.
cos((
4 answers
asked by
Thomas
3,490 views
An observer (O) is located 660 feet from a tree (T). The observer notices a hawk (H) flying at a 35° angle of elevation from
4 answers
asked by
Jessie
4,139 views
After flying at an altitude of 9 kilometers, an airplane starts to descend when its ground distance from the landing field is
4 answers
asked by
Anonymous
1,541 views
At night, a security camera pans over a parking lot. The camera is on a post at point a which is 53m from point c and 71 m from
4 answers
asked by
Gary
841 views
Use the related acute angle to state an equivalent expression:
a) tan 110 degrees b)sin 350 degrees
5 answers
asked by
Emily
2,584 views
Find the missing value to the nearest hundredth.
tan =38 Find the missing value to the nearest hundredth. sin=8/32
3 answers
asked by
shellie
1,498 views
The angle of elevation of the top of a flagpole from a point on the level ground is 30degrees. From another point on the ground
4 answers
asked by
Marydez
2,423 views
Tai is calculating the midline of a trigonometric function. What is he MOST likely trying to determine?
A. the value halfway
1 answer
asked anonymously
36 views
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