Thread: Proving trig identity

Not too sure if this question is right. Prove that:

To prove this identity take only the LHS and manipulate until you get the RHS.



First make a common denominator



Now do some simplifying

Originally Posted by pickslides

To prove this identity take only the LHS and manipulate until you get the RHS.



First make a common denominator



Now do some simplifying

Yes, but the working doesn't work out

Substitute cot(x)=cos(x)/sin(x) and tan(x)=sin(x)/cos(x). Simplify. Now, you have your answer.