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Trigonometry
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Questions (13,444)
4. Asked to simplify the expression sin(180−è), Rory volunteered the following solution:
sin(180−è) = sin 180−sin è,
4 answers
asked by
sally
2,959 views
find sin theta and tan theta if cos theta = 2/3 and cot theta is >0
and find cos theta and cot theta if sin theta = 1/3 and tan
5 answers
asked by
skye
10,702 views
A 20 m vertical telephone pole is standing on a 15 degree slope. One guy wire is attached 30 m up the slope and another guy wire
6 answers
asked by
Emily J
3,620 views
A boy observes that the angle of elevation of a top of a tower is 32 degree the then walks 8cm toward the tower and then
5 answers
asked by
Boluwatife
2,784 views
A radio tower 500 feet high is located on the side of a hill with an inclination to the horizontal of 5 degrees. How long should
5 answers
asked by
PLEASE HELP ME
4,194 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
3,899 views
The angle of elevation of the top of house from the bottom of a tower 160m high is 26 degree.From the top of the tower the angle
6 answers
asked by
Perpetua
4,150 views
Find the exact value of csc theta is tan = sqrt 3 and the terminal side of theta is in quadrant 3.
How would I go about solving
6 answers
asked by
OwO
3,524 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
2,978 views
A telephone pole that is 14ft y’all has fallen against a house. If the top of the telephone pole touches the house 8ft. Above
7 answers
asked by
John
3,401 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
4,122 views
An airplane flys at a constant altitude of 2 miles and a constant speed of 600 miles per hour on a straight course that will
5 answers
asked by
Hailey
10,667 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
4,208 views
Given that, tanØ=5/12,
Using trigonometric ratio, please solve ; (1). SinØ (2). SinØ + Cos Ø (3). (Sin^2 Ø / Cos Ø)/(Sin^2
1 answer
asked anonymously
37 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
40 views
Write the general solution to y = arcsin (0.6428).
40°±360°k 140°±360°k 220°±360°k 320°±360°k How do I find the right
4 answers
asked by
Adrianna
5,724 views
find an expression for sin (5 theta) as a fifth degree polynomial in the variable sin(theta) ?
4 answers
asked by
aparajita
6,094 views
You are standing at the peak of a mountain that is 14000 feet above sea level. The angle of depression from this peak to a
5 answers
asked by
Sarah
1,930 views
a ferris wheel 15m in diameter makes 1 revolution every 2 minutes. If the center of the wheel is 9m above the ground, how fast
4 answers
asked by
Adler
3,248 views
A tunnel for a new highway is to be cut through a mountain that is 260 feet high. At a distance of 200 feet from the base of the
4 answers
asked by
Marie
2,449 views
There is an angle 𝜃 in quadrant I such that tan 𝜃 = 2/3. Convert the complex number z = 5 cis 𝜃 from polar to
4 answers
asked by
Bryn
460 views
Find an angle between 0 & 360 degrees that is coterminal 820 degrees.
4 answers
asked by
Dennis
3,034 views
If sin p=3/5 and p is an acute angle what's the value of tan p
5 answers
asked by
Rejoice
816 views
A vertical pole is standing on a slope that is inclined at an angle 8 degrees to the horizontal and casts a shadow that is 82
4 answers
asked by
Nik
2,504 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
3,044 views
when a child flying a kite has let out 50 m of string the string makes an angle of 55 degrees with the ground. how high is the
5 answers
asked by
Shelby
2,755 views
a boy standing 70m away from a flag post observe that the angle of elevation of the top and bottom of a tower on top of the flag
7 answers
asked by
Tundr
4,732 views
In triangle RST, angle S is a right angle and cdc R=13/12. What is Tan T?
answers: 13/5, 12/13, 12/5, 5/12
4 answers
asked by
Sam
2,272 views
Which is the degree measure of an angle whose tangent is 5.67? Round the answer to the nearest whole number.
5 answers
asked by
Mike
7,806 views
A surveyor sights the far bank of a river at an angle of 110˚ to the near bank. She then moves 75 feet upriver and sights the
14 answers
asked by
Kevin
4,719 views
A 40 foot ladder which is leaning against a wall reaches a wall at a point 36 feet above the ground. Find the measure of angle
4 answers
asked by
Novy Lea Salado
2,764 views
The graph of y=tan x has vertical asymptotes at certain values of x because the tangent ratio is _____ at those values.
a)
4 answers
asked by
Anonymous
2,662 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
2,089 views
A sound wave is modeled with the equation y= 1/4 cos2pi/3 theta.
a. Find the period. Explain your method. b. Find the amplitude.
4 answers
asked by
Veronika
2,663 views
find the period, amplitude and phase angle of the function 2y=3 sin(1/2x-60)
4 answers
asked by
meee
473 views
A hiker is 400 meters away from the base of the radio tower. The angle of elevation to the top of the tower is 46 degrees . How
6 answers
asked by
Daniela
2,762 views
Angle θ is an acute angle of a right triangle. Determine the value of cot θ given the value of sin θ below. what is sin θ
2 answers
asked anonymously
58 views
A plane ascends at a 40° angle. When it reaches an altitude of one hundred feet, how much ground distance has it covered? To
5 answers
asked by
Anonymous
6,180 views
find the equation for the cosine function that has an amplitude of 3/5, a period of 3pi/2 and a y-intercept of 5.
4 answers
asked by
Jon
5,175 views
Two boats leave a port at the sametime. The first travels at 15km/hr on a bearing of 135 degree. While the second travels at
7 answers
asked by
Anonymous
5,052 views
Find the period and the amplitude of the periodic function y= -5 cos 6x
a. period = 1/3pi, amplitude = -5 b. period = 1/6pi,
7 answers
asked by
Lilly
3,467 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
2,811 views
3. At the end of a dock, high tide of 14 m is recorded at 9:00 a.m. Low tide of 6 m is recorded at 3:00 p.m. A sinusoidal
7 answers
asked by
Peter
3,409 views
A 20-foot-long footbridge has two diagonal supports that meet in the center of the bridge. Each support makes a 65∘ angle with
5 answers
asked by
Luke
1,861 views
A light air craft takes off flying die north then turns and flies 11 000 metres due west.The plane then has a bearing of 340
5 answers
asked by
Shane
1,302 views
An observer at the top of a lighthouse 55m Hugh sights a ship at a sea angle of depression of 18°. If the foot of the
4 answers
asked by
Help!!
1,282 views
A man walks directly from point A towards the foot of a tall building 240m away. After covering 180m, he observes that the angle
9 answers
asked by
king
2,558 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
7,091 views
What is the value of sin 27.6 using your four-figure table
7 answers
asked by
Suliyat
599 views
when an airplane is 800m above the ground its angle of elevation from a point p on ground is 30°.How far is the plane from p by
5 answers
asked by
williams
583 views
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