SOLUTION: Please any answer is appreciated for the following: Prove that cos[3*pi/2 + x] = sinx THank You

SOLUTION: Please any answer is appreciated for the following: Prove that cos[3*pi/2 + x] = sinx THank You

Algebra.Com

Question 430780: Please any answer is appreciated for the following:
Prove that cos[3*pi/2 + x] = sinx
THank You
Answer by richard1234(7193) (Show Source): You can put this solution on YOUR website!
Using the addition formula for cosine:

Since and ,

= .
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