482 Answered Questions for the topic Trig

3h

Verify: (cotx / 1 - tanx) + (tanx / 1 - cotx) = 1 + tanx + cotx
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3h

3 tan^2 7x = 1
How many answers would you expect this equation to have on [0,2π)? Explain why.
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3h

3 tan^2 7x = 1
How many answers would you expect this equation to have on [0,2π)? Explain why.
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1d

cos(x) = -2/9 solve the equation and approximate the solutions which lie in the interval [0, 2π) to four decimal places.
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1d

Please help !!!
The angle of elevation to the top of a building in New York is found to be 9 degrees from the ground at a distance of 1 mile from the base of the building. Based on this information, the height of... more
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1d

please help :)))
A 23-ft ladder leans against a building so that the angle between the ground and the ladder is 80 degrees. The height of the ladder reaches up the side of the building is ( ) feet. Round to... more
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5d

cos(2theta)=sin(theta)
solve the following 0<(or equal to) theta<2pi
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5d

Tan(theta)sec(theta)+2Tan(theta)=0
solve the following 0<(or equal to) theta<2pi
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5d

Find the exact value of sin(arcsec(-4/3))
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6d

please simplify to an expression involving a single trig function with no fractions.
1 - sin2(t) / sin2(t)
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6d

if cos θ = -1/6 and sin θ = y/r and θ is in quadrant III, find y

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13d

cos(θ) − sin(θ) write the given sum as a product. You may need to use an Even/Odd or Cofunction Identity.
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14d

write the given product as a sum. You may need to use an Even/Odd Identity. cos(2θ) cos(6θ)
i have the answer and the answer is cos(4θ)+cos(8θ) /2 and they are both over 2 i just have no clue how to show my work any help would be amazing thx
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15d

Convert the angle to a decimal in degrees 58 29’47”
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15d

If sec ( x ) = 15/11 (in Quadrant-I), find cos ( 2 x ) =
can you find the answer to 4 decimals? any help is awesome :)
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15d

If sin α = 0.865 and cos β = 0.272 with both angles’ terminal rays in Quadrant 1, find the values of (a) sin ( α + β ) = and (b) cos ( α − β ) =
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16d

The point P is on the unit circle. If the x-coordinate of P is -1/3, and P is in the quadrant II, find the y coordinate.
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16d

if sin (θ) = - sqrt (3) / 2 and θ is in the 4th quadrant, find cos (θ)
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16d

Please help :))
if cos(o) = - sqrt (3) / 2 and o is in the 3rd quadrant, find sin (o)
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17d

csc(θ) = − 10√ 91/ 91 with θ in Quadrant III use the given the information to find the exact values of the remaining circular functions of θ.
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17d

trigonometry right triangle
Note: Triangle may not be drawn to scale.Suppose a = 9 and b = 10.Find an exact value for each of the following trig functions.sin(A) =    cos(A) =    tan(A) =    sec(A) =    csc(A) =    cot(A) =  
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17d

trigonometry homework help
A truck leaves its present location and travels along a bearing of N42°W for 40 miles.How far North and West of its original position is it? Round your answers to two decimal places.North; _______... more
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18d

trigonometry homework help

Find the exact value of csc(300∘) using the 3 step process discussed in the lecture notes. 1.) Find the reference angle (degrees):    .2.) Apply the trig function to the reference angle:  csc(____)... more
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18d

trigonometry hw help
Given secθ= √17/4 and tanθ<0 find the exact value of the other five trigonometric function values using square roots and fractions as necessary.
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18d

trigonometry hw help

Given tan(θ)=12/5 and  π <θ<3π/2 find the exact value of the other five trigonometric function values. Write your answers as fractions. All sides are integers. Simplify square roots. If you... more
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