SOLUTION: prove that csc(x)-sin(x)=cos(x) Tried everything .. no answer . please help and thank you in advance

Algebra ->  Trigonometry-basics -> SOLUTION: prove that csc(x)-sin(x)=cos(x) Tried everything .. no answer . please help and thank you in advance      Log On


   

Question 982690: prove that
csc(x)-sin(x)=cos(x)
Tried everything .. no answer . please help and thank you in advance
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
You can't prove it because it's not an identity.
It's true for only certain x values, not all x values.
.