Question

tion 29 of 45 Use a sum or difference formula to find the exact value of the following. $\sin\frac{5\pi}{7}\cos\frac{\pi}{28} + \cos\frac{5\pi}{7}\sin\frac{\pi}{28}$

          tion 29 of 45
Use a sum or difference formula to find the exact value of the following.
$\sin\frac{5\pi}{7}\cos\frac{\pi}{28} + \cos\frac{5\pi}{7}\sin\frac{\pi}{28}$

tion 29 of 45
Use a sum or difference formula to find the exact value of the following.
sin(5π)/(7)cos(π)/(28) + cos(5π)/(7)sin(π)/(28)

Added by Julie C.

Precalculus with Limits

Ron Larson 2nd Edition

Instant Answer

Solved by Expert Urvashi Arora

01/02/2022

Step 1

Step 1: Identify the sum or difference formula The given expression is in the form of sin(A)cos(B) + cos(A)sin(B), which matches the sine of sum formula: sin(A + B) = sin(A)cos(B) + cos(A)sin(B). Show more…

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tion 29 of 45 se a sum or difference formula to find the exact value of the following. sin((5pi )/(7))cos((pi )/(28))+cos((5pi )/(7))sin((pi )/(28)) tion 29 of 45 5T TT 5T sin cos +cos T 7 28 7 sin 28