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Trigonometry
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Questions (13,447)
how many solutions are there to
csc^2x=25 (0≤x<2π)
3 answers
asked by
Jack
967 views
a window in one building, the angle of elevation to the top of a second, taller building is 38°. The angle of depression to the
3 answers
asked by
khalaf Albari
690 views
I have decided that a 300 foot tall tower needs an extra guide wire. The location I have chosen is 1000 feet from the base of
3 answers
asked by
shan
724 views
Write each expression as the function of an acute angle whose measure is less than 45 degrees:
Cos 110 degrees b) tan 265 degrees
3 answers
asked by
coleen
1,544 views
Cosine is established as a rotation of a ray formed initially on which axis?(1 point) Responses the positive y-axis the positive
1 answer
asked anonymously
104 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
40 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
48 views
A boat sails 50km on a bearing of 080 degree, calculate how far north it travels?
1 answer
asked by
Raman
35 views
What is the value of the expression? Do not use a calculator. tan (1 point) Responses Image with alt text: square root of three
1 answer
asked anonymously
22 views
What is the value of the expression? Do not use a calculator. tan (1 point) Responses Image with alt text: square root of three
1 answer
asked anonymously
18 views
What is the BEST example of how a trigonometric function would be used by a marine scientist?
(1 point) Responses to calculate
1 answer
asked anonymously
16 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
16 views
For which value of θ is tanθ equal to sinθ ?(1 point) Responses
2π 3 pi over 2 pi over 3 pi over 2
1 answer
asked by
kaite marie
24 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
6,437 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
3,276 views
Given that sin(a) = 2/3 and cos(b) = −1/5, with a and b both in the interval [𝜋/2, 𝜋), find the exact values of sin(a +
4 answers
asked by
Calie
1,647 views
Given that 3cos2x + 17sinx = 8, find the exact value of sinx .
5 answers
asked by
Sarah
795 views
Determine a , given that A = 63°, C = 49°, and c = 3. Round answers to the nearest whole number. Do not use a decimal point or
5 answers
asked by
Marketa
4,394 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
8,626 views
Express in functions of theta:
a. sin ( 810- theta) b. cot ( theta - 360) c cos (-180- theta)
5 answers
asked by
Fern Angel
3,179 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
13,093 views
A tower 150 m high is situated at the top of a hill. At a point 650 m down the hill, the angle
between the surface of the hill
6 answers
asked by
bella velasco
3,680 views
A hot-air balloon is floating above a straight road. To estimate their height above the ground, the balloonists simultaneously
5 answers
asked by
John
8,930 views
If sin (theta) = sqrt5 / 3 and cos (theta) = 2 / 3 which of the following is tan (theta)?
12 answers
asked by
Zack
5,338 views
A ferris wheel is 20 meters in diameter and boarded from a platform that is 3 meters above the ground. The six o'clock position
4 answers
asked by
Taylor
3,694 views
sin è = 0.1736
O = ? H = 11
4 answers
asked by
Love
3,068 views
If TanA=k.TanB prove that (k+1)sin(A-B)=(k-1)sin(A+B).
10 answers
asked by
Gunda
5,385 views
express 40% of sum of angles of a triangle into radian.
5 answers
asked by
emily
1,640 views
a right triangle has an acute angle(theta) suck that cot(theta)=15. find cos(theta)
4 answers
asked by
brenna
2,456 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
1,486 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
2,292 views
The angle of elevation of the top of a flagpole is 64 degrees from a point 32m away from the foot of the flagpole.Find the angle
5 answers
asked by
Grace
3,491 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
944 views
A ship sails 50km on a bearing of 080 degrees calculate how far east it travels to the nearest tenth
5 answers
asked by
Roger
2,154 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
2,315 views
The graph of f(x), a trigonometric function, and the graph of g(x) = c intersect at n points over the interval 0 <= x <= 2pi.
5 answers
asked by
Max
4,679 views
Jasmine is flying a kite. She lets out 86 feet of string. She takes the kite into the ground and measures the angle. The string
4 answers
asked by
Help me pls FAST
862 views
the angle elevation of the top of a cliff from point p is 45 from a point Q which is 10m from P towards the root of the cliff
6 answers
asked by
Anonymous
2,216 views
express 40% of right angle into radian measure.
express two third of straight angle into radian. express sum of angles of a
5 answers
asked by
samantha
2,401 views
Find the fourth roots of
− 1/2 + (square root)3/2 i Write the roots in trigonometric form. A - w 1=cos(35°)+isin(35°) w2
3 answers
asked by
Lottie
1,893 views
Which angles are coterminal with pi/6?
Chose all answers that are correct. A. 5pi/6 B.13pi/6 C.-5pi/6 D.-11pi/6 I think its A and
4 answers
asked by
Kaylen
10,816 views
Using the standard restricted domain for the cotangent function, which of the following best describes the behavior of the
6 answers
asked by
Bob
1,469 views
An aeroplane is flying horizontally directly towards the city at an altitude of 400 metres. At a given time the pilot views the
4 answers
asked by
Rick
4,370 views
find the minimum height above the surface of the earth so that the pilot at point a can see an object on the horizon at c 125
5 answers
asked by
ellen
2,982 views
a fire is sighted from two ranger stations that are 6000 meters apart. The angles of observation to the fire measure 52 degrees
4 answers
asked by
tareena
2,234 views
from a boat, the angle of elevation of the foot of a lighthouse on the edge of a cliff is 34 degrees. if the cliff is 150m high,
6 answers
asked by
mari
3,889 views
A rotating beacon is located 1 kilometer off a straight shoreline. If the beacon rotates at a rate of 3 revolutions per minute,
5 answers
asked by
Jon
3,797 views
Howard is flying a kite and wants to find its angle of elevation. The string on the kite is 32 meters long and the kite is level
3 answers
asked by
allexelle
1,547 views
A kite flying at a height of 55m is attached to a string which makes an angle of 55 degrees with the horizontal. What is the
5 answers
asked by
Shredder
3,063 views
Evaluate the expression under the given conditions.
sin2(theta), sin(theta)=1/7(theta) in Q2
5 answers
asked by
Amanda
3,233 views
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