Verify the identity. (Simplify at each step.) tan9 x = tan7 x sec2 x − tan7 x   tan9 x = (tan7 x)(________)            = (tan7 x) (________)           = tan7x sec2x - tan7x

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Q: 77. sin?(-0) + tan?(-8) + cos²(-0)

A: Here we express each term in sine and cosine then we simplify.

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A: Given equation is tan4x=-3 Now, to check x=π6 is solution of the  given equation, we substitute x=π6…

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Q: Verify the identity. 1+ tan? u 1- tan? cos? u - sin? u

A: Consider the given question 81+tan2u1-tan2u=8cos2u-sin2u

Q: 17) Establish the identity. 1 + tan?(-8) = sec? 0

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Q: Apply the power reducing formulas: write the expression in terms of first powers of cosine.  tan4x

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Q: Verify the identity. sec5 x tan6 x = (tan6 x + tan8 x)sec3 x %3D 6, (tan6 x + tan x)sec³ x = ( tanºx…

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Q: Simplify the expression tan2⁡x(csc2⁡x−1). 1 tan2⁡x cot2⁡x -1

A: We have to find the simplification

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A: The solution for the above question is as shown below.

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A: Given : tan θ = - 180/19

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Q: Fill in the blank/s: The solution of tan x = -√3 in [0, π) is x = π - π/3, or x = __________ If n is…

A: Fill in the blank/s: The solution of tan x = -√3 in [0, π) is x = π - π/3, or x = __________ If n is…

Q: sin 12 -14 +tan +cos -1 63 13 16

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Q: 61 11 K- 60 Which is an equivalent expression for tan J? 60 00 61 00

A: From triangle   tan J =oppositeadjacent = 6011

Q: prove sin2 a/2=csc a-cot a/2 csc a

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Q: Use an Addition or Subtraction Formula to find the exact value of the expression, as demonstrated in…

A: To solve this problem we can use the trigonometric values

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A: Explanation of the answer is as follows

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A: It can be solved easily .

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Q: Use substitution to determine whether the given x-value is a solution of the equation. tan 4x = - 3,…

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A: tan α=12 and 0&lt;α&lt;π2

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A: Given expression :Sin(-α) . csc α. Sec(-α)

Q: VIII. Use an addition or subtraction formula to find the exact value of the expression: a) tan 165°…

A: Use addition formula and find the value:

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A: Given, 9-x2 we have to substitute  x=3sinθ

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A: Topic-Trigonometry

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Q: 5. What is the exact value of tan 105°? O -24 V3 O-2-V3 O 2- V3 O 2+ V3

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Q: tan'x secx secx-1

A: we know that  1+tan^2x= sec^2x

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Q: Prove the identity. 5 tan(3x) = 15 tan(x) – 5 tan²(x) 1- 3 tan?(x) Rewrite 3x as 2x + x and use the…

A: tanA+B = tan (A)+tan(B)1-tan(A) tan(B) tan2A =2tan(A)1-tan2(A)

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A: Disclaimer: Since you have posted a question with multiple sub-parts, we will solve first three…

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A: Our Aim is to solve the given formula and by solving we have tojustify whether it is right or…

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Q: a* sin(3a") – 1 Submit Answer |

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