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Trigonometry
Page 4
Questions (13,137)
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
4,443 views
Verify the identity: sin(A+B)/sin(A-B) = tan(A)+tan(B)/tan(A)-tan(B) Explain steps
6 answers
asked by
T
2,791 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
4,844 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
5,146 views
Calculate one decimal find the angle of elevation of a flagpole which is 31.9m high and 55m away from the base
5 answers
asked by
Mariam
454 views
A kite flying in the air has an 11-ft line attached to it its line is pulled taut and casts a 9-ft shadow find the height of the
6 answers
asked by
Michael
6,375 views
A boy observes that the angle of elevation of a top of a tower is 32 degree the then walks 8cm toward the tower and then
5 answers
asked by
Boluwatife
2,754 views
Solve the equation sin (5/2θ) = -1/2 for 0°≤0 ≤ 180°
sin(5/2θ) = -1/2 5θ/2 = -30 θ = -12 78, 168
4 answers
asked by
kudu
1,029 views
Explain why the value of [cos θ,sin θ]• [cos(90 + θ),sin(90 + θ)] is independent of θ.
4 answers
asked by
someone help thank you
934 views
If tan(x)= -(3/4) and x is obtuse, evaluate sin(2x).
How do I get started on this question?
5 answers
asked by
Lucy X
1,521 views
A tree and a flag pole are on the same horizontal ground, A bird on top of the tree observes the top and bottom of this flag
5 answers
asked by
Edwin
2,297 views
if sin p = 3/5 and p is an acute angle, what is the value of tan p.
10 answers
asked by
Sofa
4,482 views
From the top of the control tower 250 m tall, an airplane is sighted on the ground below. If the airplane is 170 m from the base
7 answers
asked by
Daniela
3,703 views
A 100 foot vertical tower is to be erected on a side of a hill that makes a 6 degree angle with the horizontal. Find the length
4 answers
asked by
Ash
4,624 views
I can't figure out this one question...
A ship is docked in port and rises and falls with the waves. The function d(t) =
6 answers
asked by
Crystal
2,754 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
6,431 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
2,966 views
Sam and markus are standing on level ground 100m apart. A large tree is due north of markus and on a bearing of 65degrees from
5 answers
asked by
putri
3,644 views
A vertical pole is standing on a slope that is inclined at an angle 8 degrees to the horizontal and casts a shadow that is 82
4 answers
asked by
Nik
2,481 views
What is the reference angle for (27 pi)/5?
4 answers
asked by
Beth
1,470 views
A 3.8 m ladder making a 65° angle with the ground rests against a vertical wall. Find the distance of the foot of the ladder
5 answers
asked by
IBM
1,580 views
Find the missing value to the nearest hundredth.
tan (?) = 15
6 answers
asked by
anon
2,514 views
what is the bearing of Y from X if the bearing of X from Y is 129°.
5 answers
asked by
oluwole
1,800 views
a kite currently flying at an altitude of 16 meters above the ground. If the angle of elevation from the ground to the kite is
5 answers
asked by
jim
2,994 views
. A spotlight is mounted on a wall 7.4 feet above the floor in an office building. It is used to light a door 9.3 feet from the
4 answers
asked by
Hot girl 2025😜
286 views
Which is the degree measure of an angle whose tangent is 5.67? Round the answer to the nearest whole number.
5 answers
asked by
Mike
7,772 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
2,689 views
have to find the missing value to the nearest hundreth for Cos__=9/20
Help please
5 answers
asked by
Cindy
2,697 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
2,354 views
A ranger spots a forest fire while on a 45-meter observation tower. The angle of depression from the tower to the fire is 12
9 answers
asked by
Anna
2,280 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
2,131 views
The angle of depression from a hot air ballon in the air to a person on the ground is 36 degrees. If the person steps back 10ft
4 answers
asked by
taylor
2,193 views
If 5cosA+3=0 and 180⁰<A<306⁰ determine by means of a diagram tan²A
4 answers
asked by
Bontle
420 views
A kite is 32m above from the ground. The angle the kite string makes
with the ground is 39°. How long is the kite string, to the
4 answers
asked by
Jackie
3,682 views
Write the ratios for sin A and cos A. The triangle is not drawn to scale.
*right triangle. 14 on the side. 50 on the slant. and
11 answers
asked by
Anonymous
10,293 views
A sound wave is modeled with the equation y= 1/4 cos2pi/3 theta.
a. Find the period. Explain your method. b. Find the amplitude.
4 answers
asked by
Veronika
2,631 views
Use the related acute angle to state an equivalent expression:
a) tan 110 degrees b)sin 350 degrees
5 answers
asked by
Emily
2,556 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.
2,627 views
If sin x = 2/3 and cos y = 3/4, find the exact value of sin ( x + y ).
4 answers
asked by
Fred
1,435 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
2,733 views
you are trying to measure the height of your house, but only have a surveyor tool that measures angles and you know your
1 answer
asked anonymously
79 views
To study the tidal patterns, Martha’s teacher shows her class a graph that includes the period. How can we BEST describe what
1 answer
asked anonymously
72 views
Zoe is looking at a graph of high and low tides over a period of 24 hours. What will she MOST likely notice in this
1 answer
asked anonymously
55 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
68 views
A ladder leans against a vertical wall and makes an angle of 76˚ with the ground. The foot of the ladder is 1.8 m from the base
1 answer
asked anonymously
20 views
If tan(1/2 x)=b express tanx in terms of b
5 answers
asked by
Philip
1,557 views
An engine on a jet aircraft turns at about 12 000 rpm. Find an exact value, as well as an approximate value, for the angular
4 answers
asked by
sareen
2,557 views
What are the graphs of y = cos x and y = sec x in the interval from -2pi to 2pi?
7 answers
asked by
Anny
5,327 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
6,416 views
Find value of tan75/2
9 answers
asked by
Ram
3,377 views
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