SOLUTION: I would appreciate some help verifying this identity: cos(x-(pi/2))=sin x It may not be verifiable.

Algebra ->  Trigonometry-basics -> SOLUTION: I would appreciate some help verifying this identity: cos(x-(pi/2))=sin x It may not be verifiable.       Log On


   

Question 453274: I would appreciate some help verifying this identity:
cos(x-(pi/2))=sin x
It may not be verifiable.
Answer by richard1234(7193) About Me  (Show Source):
You can put this solution on YOUR website!
Use the cosine sum formula: