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Trigonometry
Page 7
Questions (13,704)
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
4,150 views
a person standing 400 feet from the base of a mountain measures the angle of elevation from the ground to the top of the
5 answers
asked by
John
3,065 views
Use the rated acute angle to state an equivalent expression
Tan110 The answer is tan290. Why isn't it 70? Please explain
20 answers
asked by
Crystal
3,852 views
if sin6A=cos9A, then angle A is equal to?
1 6 2 36 3 54 4 1 half
4 answers
asked by
Anonymous
3,274 views
The function f(theta) and g (theta) are sine functions where f(0)=g(0)=0.
The amplitude of f (theta) is twice the amplitude of
4 answers
asked by
steve
3,933 views
2)A wave is represented by the equation y =2sin.pi(0.5x - 200t) where all distance are measured in centimeters and time in
6 answers
asked by
tayopo
3,027 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
10,348 views
Hi, can someone help me figure out how to do this question?
A 5m stepladder propped against a classroom wall forms an angel of 30
4 answers
asked by
Kim
2,107 views
Use the related acute angle to state an equivalent expression:
a) tan 110 degrees b)sin 350 degrees
5 answers
asked by
Emily
2,597 views
How do I do this? Without a calculator, determine two angles between 0 degrees and 360 degrees that have a cosine of negative
4 answers
asked by
Tristan
1,433 views
The rotating spotlight from the Coast Guard ship can illuminate up to a distance of 250 m. An observer on the shore is 500 m
4 answers
asked by
Lucina
1,712 views
52. Liola drives 19 km up a hill that is at a grade of 15o. What horizontal distance, to the nearest tenth of kilometer, has she
3 answers
asked by
Please Help
851 views
A girl is standing 6m at thesame level with a tree of 8m . Calculate the distance from the top of the tree to where the girl is
3 answers
asked by
ajame
746 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
2,434 views
Y is 60km away from x on a bearing of 135 degrees. Z is 80km away from x on a bearing of 225 degrees. Find
a. The distance of z
4 answers
asked by
Blessing
717 views
a hill slopes upward at an angle of 14 degrees with the horizontal ground.what height does the man reach when he has traveled
4 answers
asked by
ein
1,913 views
A plane flies in a direction of N70°E for 80km,then on a bearing of S10°W for 150km.how far and in what direction is the plane
2 answers
asked by
Hadiana
124 views
3tan 1/3 theta=8 in the interval from 0 to 2pi. Solve the equation.
4 answers
asked by
Steve
2,570 views
The height h in inches of pistons 1 and 2 in an automobile engine can be modeled by h1 = 3.75sin(733t) + 7.5 and h2 =
3 answers
asked by
Jane
971 views
From a point on the ground 25 ft. from the foot of the tree, the angle of elevation of the top of the tree is 32 degrees. How do
4 answers
asked by
Joy
2,695 views
The high level bridge, a railway bridge that crosses the Oldman River is over 1km long. From one point on the river, the angle
4 answers
asked by
garry
831 views
Suppose that a camera is fixed at (0,0) in the coordinate plane (measured in feet). An actor starts at (10,10) and moves down
3 answers
asked by
drain
469 views
from the top of a bridge over the burlington canal, maria looks down at a sailboat at an angle of depression 15 degrees.the
4 answers
asked by
haley
1,252 views
From the foot of a building I have to look upwards at an angle of 22 degrees to sight the top of a tree. From the top of the
4 answers
asked by
liz
1,773 views
Solve : 2tan3x+cos2x+1=tan3x+2cos2x
3 answers
asked by
Bishal Poudel
1,098 views
Two mountains are 1020 m and 1235 m high. Standing on the summit of the lower one I look up through an angle of elevation of 160
4 answers
asked by
Izzy
712 views
Use the given parts of a right spherical triangle ACB
C = 90° B = 143° 44' A = 60° 25'
2 answers
asked anonymously
60 views
A boy 1.2m tall stands 6m away from the foot of a vertical land pole 4.2m long. If the land is at the top of the
1 answer
asked by
wilson
670 views
What is the sine of the angle formed by a terminal ray that intersects the unit circle at the point given in the image?
1 answer
asked anonymously
86 views
A right triangle has a angle of x an adjacent of 29 and an oppisite of 14
Solve for x. Round to the nearest tenth. Please show
1 answer
asked by
ditto
60 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
114 views
A boat sails 50km on a bearing of 080 degree, calculate how far north it travels?
1 answer
asked by
Raman
47 views
Note: Enter your answer and show all the steps that you use to solve this problem in the space provided.
A plane is located at C
1 answer
asked anonymously
26 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
37 views
Using the unit circle, find the exact value of cos 150° and sin of 150°. (1 point)
Cos(150) = -1/2 ; sin(150) = Square root3/2
1 answer
asked by
Unknown
28 views
If sinθ=12
sin = 1 2 , which could not be the value of θ ?(1 point) Responses 390° 390 ° 210° 210 ° 150° 150 ° 30°If
1 answer
asked by
kaite marie
61 views
A 10-foot pole is supporting a tent and has a rope attached to the top. The rope is pulled straight and the other end is
1 answer
asked anonymously
25 views
Find the angle θ between your 2 vectors. Show your work and final answer. Make sure your final angle θ is in radians not
6 answers
asked by
Unknown
19 views
Note: Enter your answer and show all the steps that you use to solve this problem in the space provided.
Find the value of x.
1 answer
asked anonymously
27 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
1 answer
asked by
Seymour
123 views
A balloon is rising vertically 150 m from an observer. At exactly 1 min, the angle of elevation is 29 deg 28 min. How fast is
4 answers
asked by
Zein
2,120 views
Which cosine function has maximum of 4, a minimum of -4, and a period of 2pi/3?
A. y=4 cos 3 theta B. y= 4 cos 2 theta/3 C. y=4
6 answers
asked by
Caleb
5,778 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
5,356 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
5,162 views
An airplane is flying with a heading of 60 degrees east of north at 450 mph. A wind is blowing at 37 mph from the north. Find
4 answers
asked by
jen
3,306 views
sin(θ − ϕ);
tan(θ) = 5/12 θ in Quadrant III, sin(ϕ) = − sqaure root 10/10 ϕ in Quadrant IV I tried this numerous times
7 answers
asked by
Rachel
7,090 views
Find cos theta and cot theta if sin =1/4 and tan theta <0
4 answers
asked by
Shay
5,341 views
How do I simplify arcsin (sin 6 pi) given the interval 0 ≤ theta < 2pi
4 answers
asked by
Annabelle
3,132 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
8,645 views
The equation 2sinx+sqrt(3)cotx=sinx is partially solved below.
2sinx+sqrt(3)cotx=sinx sinx(2sinx+sqrt(3)cotx)=sinx(sinx)
7 answers
asked by
girly girl
5,467 views
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