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Trigonometry
Page 8
Questions (13,117)
Observers P and Q are located on the side of a hill that is inclined 32 degrees to the horizontal as shown(picture given). The
3 answers
asked by
Jen
1,401 views
In Philadelphia the number of hours of daylight on day t (t is the number of days after january 1) is modeled by the function
L(t
4 answers
asked by
SAM
3,315 views
a ladder leans against a building forming an angle of 56 degrees with the ground.The base of the ladder is 3 feet from the
4 answers
asked by
Gabby
2,190 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
2,211 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
3,873 views
Evaluate the expression under the given conditions.
sin(θ + ϕ); sin(θ) = 12/13, θ in Quadrant I, cos(ϕ) = −(2(sqrt 5))/5,
4 answers
asked by
Just another college student
2,934 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
3,780 views
The Eiffel Tower is 300 m tall. When you are standing at a certain place in Paris, it subtends an angle of 7.0°. How far are
3 answers
asked by
-
1,846 views
A. Find simpler, equivalent expressions for the following. Justify your answers.
(a) sin(180 + è) (b) cos(180 + è) (c) tan(180
5 answers
asked by
sally
2,936 views
a ladder of length 3.5m rests against a vertical wall and makes an angle of 40 degrees with the floor. How far up the wall does
5 answers
asked by
Nazneen
2,414 views
A boy 1.5m tall is 15m away from a hut 24m high.what is the angle of elevation of the top of the hut
7 answers
asked by
PRECIOUS
2,357 views
Evaluate the expression under the given conditions.
sin2(theta), sin(theta)=1/7(theta) in Q2
5 answers
asked by
Amanda
3,206 views
If csc A=2 find the value of sin A
4 answers
asked by
amanda
2,566 views
From two points A and B, 43m apart and on the same horizontal line with the foot C of an electric pole, the angles of elevation
7 answers
asked by
Aanuoluwa
3,017 views
Use a table of trigonometric values to find the angle θ in the right triangle in the following problem. Round to the nearest
5 answers
asked by
ab
6,681 views
The angles of elevation θ and ϕ to an airplane are being continuously monitored at two observation points A and B,
5 answers
asked by
anonymous
2,913 views
A town clock has an hour hand that is 60 cm long. How many cm does the tip of the hand move each second?
4 answers
asked by
Muneer
1,190 views
A kite is flying 10ft off the ground. Its line is pulled taut and casts an 8ft shadow. Find the length of the line. If
4 answers
asked by
Gage
1,112 views
1.a ladder 9.6m long leans against the wall at a point 9m above the ground. find the distance of the foot.
2.a vertical fence
6 answers
asked by
Sofiat
1,406 views
the angle of elevation of the sun is 27 degree.a man is 180cm tall.how long is his shadow?give your answer to the nearest 10cm.
7 answers
asked by
kamal
2,857 views
The bearing of point A and B from a common point c are 030 and 290 respectively.find the bearing of a from b ,if a and b are
6 answers
asked by
Damilare
2,007 views
A salvage ship’s sonar locates wreckage at a 12 degree angle of depression. A diver is lowered 40 meters to the ocean floor.
6 answers
asked by
Anonymous
5,782 views
tower has 57 feet high two objects in a straight line from it are sighted at a angles of a depression of 27 degree and 40 degree
4 answers
asked by
rexter
800 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
915 views
Find the exact value ofcos (u+v) given that sin u= 7/25 and cos v=−12/13. (Both u and v are in Quadrant II.)
5 answers
asked by
Jessica Maths
4,174 views
if sin x=0.866 and cos x=0.5, find tan x
5 answers
asked by
me
884 views
An observer in a lighthouse 48.8 m above sea level saw two vessels moving directly towards the lighthouse. He observed that the
6 answers
asked by
Daniela
4,083 views
from a point R,300M north of P, a man walks eastwards to a place Q which is 600m from P. find the bearing of P from Q correct to
5 answers
asked by
favs
689 views
a rope 10m long from the top of a vertical pole to a point on the ground makes an angle of 23 degrees with the pole. how high is
6 answers
asked by
Nazneen
2,208 views
What is the first step. Explain please.
Which expression is equivalent to cos^2x + cot^2x + sin2^x? a) 2csc^2x b) tan^2x c)
6 answers
asked by
Jake
1,122 views
If cos A =1/3 with A in QIV find cscA/2
4 answers
asked by
Rick
1,402 views
The bearing of Q from P is 150 and the bearing of P from R is 015. If Q and R are 24 and 32 respectively from P. Calculate the
6 answers
asked by
cosky
2,563 views
Show that sin(x+pi)=-sinx. Show all of your work.
5 answers
asked by
Allie
2,044 views
From the roof and basement of a house 20m high,the angle of elevation of the top of a tower are 45 and 60 degres respectively.
5 answers
asked by
Anamika
1,842 views
A right triangle has base x feet and height h feet, where x is constant and h changes with respect to time t, measured in
5 answers
asked by
toan
12,289 views
find the missing value to the nearest hundreth sin_____=7/12
5 answers
asked by
Cindy
3,923 views
A lighthouse stands 450 m off a straight shore and the focused beam of its light revolves four times each minute. As shown in
4 answers
asked by
Noah
3,354 views
A bridge across a valley is 150 m in
length. The valley walls make angles of 60° and 54° with the bridge that spans it, as
6 answers
asked by
Dylan
4,178 views
A ladder 20m long rest against a vertical wall so that the foot of the ladder is 9m long. Find correct to the nearest degree the
10 answers
asked by
Jeremiah
4,472 views
A 12 foot ladder leans against the side of a house the bottom of the ladder is 8 feet from the side of the house how high is the
10 answers
asked by
Shawna
24,753 views
point A and B are 100m apart and are of the same as the foot of a building. the angle of elevation of the top of the building
5 answers
asked by
Anonymous
4,281 views
For how many values of x will the tangent lines to y=4sinx and y=x^2/2 be parallel?
A. 0 B. 1 C. 3 D. 4 E. Infinite Thanks.
4 answers
asked by
Anonymous
3,040 views
A right triangle’s hypotenuse is 20 cm long. What is the length of the side opposite a 60° angle? Give your answer to the
5 answers
asked by
Sandra
1,510 views
which function has an amplitude of 2 and a period of p?
a. f(x)=1/2cos2x b. f(x)=2cospx c. f(x)=1/2cospx d. f(x)=2cos2x
5 answers
asked by
kio
3,321 views
Use the fact that sin 38° ≈ 0.6157 to answer this question.
cos ____° ≈ 0.6157
7 answers
asked by
Maddie
3,984 views
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
3,469 views
find sin2x, cos2x, and tan2x if sinx= -2/sqrt 5 and x terminates in quadrant III
4 answers
asked by
Elena
5,109 views
10. Rewrite 2tan 23° / 1 - tan223° as a single function of an angle.
I'd appreciate it if someone could help me out with this
4 answers
asked by
Miles
1,316 views
a rope dancer was walking on a loose roop tied to the top of two equal post of height 9m. when he was 3m above the ground, it
5 answers
asked by
Akash
3,425 views
A balloon rises at the rate of 8 feet per second from a point on the ground 60 feet from an observer. Find the rate of change of
4 answers
asked by
Anonymous
4,235 views
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