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Trigonometry
Page 5
Questions (13,756)
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
3,507 views
A plane is heading due south with an airspeed of 211 mph. A wind from a direction of 53 degrees is blowing at 17 mph. Find the
4 answers
asked by
Michael
7,004 views
In right triangle ABC, sinA=5/13. Therefore, the measure of angle A, to the nearest tenth of a degree is_____ .
4 answers
asked by
Mitch
542 views
john is 80m west of patrick .they are both observing a tall tree that is on a bearing of 030 from john and 290 from patrick.
4 answers
asked by
mercy
265 views
A man can swim 2km/h in still water. Find at what angle to the bank he must head if he wishes to swim directly across a river
4 answers
asked by
Anonymous
1,996 views
How can I find the exact value of Sin 480 degrees? Thanks
6 answers
asked by
Rachal
6,286 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
10,355 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
2,583 views
find the period, amplitude and phase angle of the function 2y=3 sin(1/2x-60)
4 answers
asked by
meee
488 views
a line from top of cliff to ground just passes over the top of a pole 20m high. the line meet the ground at point 15m from the
7 answers
asked by
betselot
2,110 views
If sin x = 2/3 and cos y = 3/4, find the exact value of sin ( x + y ).
4 answers
asked by
Fred
1,464 views
Point P is located at the intersection of the unit circle and the terminal side of angle theta in standard position. Find the
3 answers
asked by
A
2,932 views
a 30 feet ladder resting against a building makes a 60 angle with the ground . find the Height from the ground at which the
4 answers
asked by
:)
3,357 views
This is the question:
Two spruce trees are 100m apart. From the point on the ground halfway between the trees the angles of
4 answers
asked by
lily
1,934 views
If a boat is travelling 25° south of straight east, what is its true bearing?
3 answers
asked by
Gabe
403 views
A sound wave is modeled with the equation y = 1/4 cos 2pi/3 θ.
a. Find the period. Explain your method. b. Find the amplitude.
3 answers
asked by
Steve
1,175 views
I really do not understand these questions, so does my tutor and need help with them. Please solve with all steps.
1. A pendulum
1 answer
asked by
Brayden Carrey
329 views
The Pont du Gard near Nimes, France is a roman aqueduct. An observer in a hot air balloon some distance away from the aqueduct
3 answers
asked by
Nada
1,200 views
Perform the addition or subtraction.
tanx - sec^2x/tanx tan^2(x)/tan(x) - sec^2x/tanx = tan^2x sec^2x / tanx then I use the
2 answers
asked by
Hannah
674 views
point P on the unit circle is given. what is the sine of the angle formed by a terminal ray that intersects the unit circle at
1 answer
asked anonymously
63 views
Find the missing value. Round to the nearest hundredth.
sin _________ = 718 (1 point) Responses 67.11 67.11 22.89 22.89 83.48
1 answer
asked anonymously
52 views
Find the missing value to the nearest hundredth. cos ________ = 815 (1 point) Responses 57.77 57.77 1.00 1.00 .53 .53 28.07
1 answer
asked anonymously
57 views
Use the stated variant of the Law of Cosines, a2=b2+c2−2bc⋅cosA , to find the value of angle A in a right triangle, where
1 answer
asked by
Tim
73 views
Question Sketch the graph of the tangent curve in the interval from 0 to 2. y = tan (–2Θ)
1 answer
asked anonymously
34 views
Find the cosine and sine of 210 Round your answers to the nearest hundredth if necessary 210 ( f point); - 1; - 0.5, - 0.87;
1 answer
asked anonymously
22 views
Which is the radian measure of an angle whose sine is 0.8? Round your answer to two decimal places.(1 point)
Responses 4.06 4.06
1 answer
asked anonymously
30 views
The angle 60 is shown below in standard position, together with a unit circle.
The image shows a unit circle and a right triangle
1 answer
asked anonymously
29 views
Find the exact values of cos 210° and sin 210° (1 point) Responses cos=3√2; sin=12 cos=3√2; sin=12 cos=−12; sin=−3√2
1 answer
asked anonymously
30 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
5,784 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
6,458 views
*100 meters from the base of the pine tree its top was sighted as forming 38 degrees with the ground.Find the height of the
6 answers
asked by
Bjorn
1,688 views
The lengths QR, RP, and PQ in triangle PQR are often denoted p, q, and r, respectively.
What do the formulas 1/2 pq sinR and 1/2
5 answers
asked by
sarah
3,791 views
What graph is traced by the equation (x, y) = (5sin 12t , 6−5 cos 12t)?Think of another equation that will produce the same
4 answers
asked by
sally
2,075 views
What is the general solution to y = arcsin 1?
5 answers
asked by
Annabelle
3,455 views
Find the co terminal angle for 15pi/4
5 answers
asked by
Jenn
4,699 views
Which trigonometric functions are equivalent to tan(theta)? Select all that apply. (2 answers)
a. -tan(-theta)**** b. -tan(theta)
5 answers
asked by
girly girl
4,449 views
Cate is sailing her boat off the coast, which
runs straight north and south. Her GPS confirms that she is 8 km from Haytown and
5 answers
asked by
Anthony
1,297 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
13,114 views
8sin^2x+sinxcosx+cos^2x=4
5 answers
asked by
LiNnda
2,503 views
tan^-1(1.73 degrees)
4 answers
asked anonymously
96 views
You are designing a ramp where the horizontal distance is twice the vertical rise. What will be the ramp angle to the nearest
4 answers
asked by
Tyyanna
3,072 views
Use a table of trigonometric values to find the angle è in the right triangle in the following problem. Round to the nearest
5 answers
asked by
MARTIN
3,554 views
from a window 25m above a street, the angle of elevation of the top of a wall on the opposite side is15°.If the angle of
6 answers
asked by
jack
1,502 views
If an object travels in a circle 32pi/5 radians, at what degree measure is it, relative to where it started?
a) 1052° b) 144°
10 answers
asked by
Jake
4,132 views
The angles of elevation of a balloon directly above a straight road, from two points of the ground on opposite sides of the
5 answers
asked by
james
2,311 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
4,156 views
From points A and B on level ground, the
angles of elevation of the top of a building are 25° and 37° respectively. If |AB| =
4 answers
asked by
Saul
3,592 views
Please help me....
Two cars are starting from positions that are 20 miles apart. They are both headed for the same intersection,
4 answers
asked by
Lizzie098
4,266 views
A ship leaves port 21km on a bearing of 032 degree & 45km on a bearing of 287degrees
a, calculate it's distance from the port b,
4 answers
asked by
Anonymous
1,267 views
FROM A POINT ON THE EDGE OF THE SEA,ONE SHIP IS 5KM AWAY ON A BEARING SOUTH 50 DEGREES EAST AND ANOTHER IS 2KM AWAY ON A BEARING
10 answers
asked by
SOKARI
4,252 views
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