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Trigonometry
Page 6
Questions (13,704)
*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
1,686 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
3,790 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
2,073 views
What is the general solution to y = arcsin 1?
5 answers
asked by
Annabelle
3,453 views
find an expression for sin (5 theta) as a fifth degree polynomial in the variable sin(theta) ?
4 answers
asked by
aparajita
6,104 views
Find the co terminal angle for 15pi/4
5 answers
asked by
Jenn
4,698 views
Determine the quadrant in which an angle, θ, lies if θ = 5.40 radians.
a. 4th quadrant b. 3rd quadrant c. 2nd quadrant d. 1st
5 answers
asked by
Jessica Maths
2,942 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
1,296 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
13,112 views
8sin^2x+sinxcosx+cos^2x=4
5 answers
asked by
LiNnda
2,437 views
tan^-1(1.73 degrees)
4 answers
asked anonymously
96 views
From a tower 57 ft high two objects in a straight line from it are sighted at angles of depression of 27degrees and 40degrees5'
4 answers
asked by
renzkie
1,612 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
3,070 views
express 40% of sum of angles of a triangle into radian.
5 answers
asked by
emily
1,647 views
Which of the following could be a coterminal angle for -5pi/4?
19pi/4 7pi/4 -17pi/4 -25pi/4 I've done my math twice, but I can't
5 answers
asked by
Max
2,972 views
Which cosine function has maximum of 0.5, a minimum of -0.5, and a period of 2π/3?
5 answers
asked by
Sherrie
5,887 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
1,498 views
A wheelchair ramp near the door of a building has an incline of 15 degrees and a run of 7.11 m from the door. Calculate the
4 answers
asked by
Lily Chang
3,611 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
2,310 views
Find sec θ and csc θ. If tan θ =3 and cos θ>0. Please helpp, i don't get identities
4 answers
asked by
Oscar
2,836 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
2,169 views
Suppose f(x) = sin(pi*cosx) On any interval where the inverse function y = f –1(x) exists, the derivative of f –1(x) with
9 answers
asked by
Thomas
3,914 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
4,265 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
1,265 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
4,250 views
An observer on top of a building 66 metres high,finds the angle of elevation to the top of a taller building to be 34
4 answers
asked by
Shane
1,170 views
Evaluate 2 tan 240 degrees + 3 cos 12 degrees leaving your answer in surd form
5 answers
asked by
Ayomide
1,442 views
A 12-meter high post casts a 19-meter shadow. Find the angle of elevation to the sun.
-what is/are given? -formula used -solution
6 answers
asked by
Daniela
3,058 views
A surveyor stands 150ft from the base of a tree and measures the angle of elevation to be 46.2. His eye level is 6feet above the
5 answers
asked by
BT
1,830 views
Two wires support an electricity pole. if the wires make angles of 58°and 67° with the ground and |AB|=21m, calculate the
7 answers
asked by
mishael
3,365 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
4,378 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
1,563 views
A 127 foot tower is located on hill that is inclined 38° to the horizontal. A guy wire is to be attached to the top of the
5 answers
asked by
monene
7,115 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
3,076 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
2,277 views
The angle of elevation of the top of the spire from the foot of a building is 60°.The angle of depression of the top of the
4 answers
asked by
Frank
756 views
A ship sails on a steady course bearing 106 degrees from A to B.If B is 76 nautical miles further east than A,find,to the
5 answers
asked by
Shane
625 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
1,614 views
Cos square 30 degree cos square 45 degree + 4 sec square 60 degree + 1/2 cos square 90 degree - 2 tan square 60 degree
7 answers
asked by
trisha
7,648 views
Prove this identity
1. csc^2(pi/2-x)=1+sin^2xcsc^2(pi/2-x) 2. tan(pi/4+x)+tan(pi/4-x)=2sec2x
4 answers
asked by
Gifty
2,125 views
Solve the mathematics question:A town Q is on a bearing of 210 from P; R is another town on a bearing of 150 from P is east of
7 answers
asked by
Amaka
949 views
Find the length of a inclined plane that will reach a 10ft. High platforms at an angle of 25°
4 answers
asked by
Anonymous
1,182 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
3,732 views
A conveyor belt carries supplies from the first floor to the second floor which is 30ft higher. The belt makes a 60 degree angle
5 answers
asked by
Loren
2,000 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
2,390 views
solve 3sin(pi/4*x)=2 for the four smallest positive solutions
4 answers
asked by
lynn
3,184 views
Surveying
A surveyor wishes to find the distance across a swamp. The bearing from A to B (Segment AB is opposite side of
5 answers
asked by
AwesomeGuy
7,642 views
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
1,471 views
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