Sec tita - 1/sec tita +1 = sin square tita/ (1+cos tita) whole square

Proof is in the explanation.

Step-by-step explanation:

I figure out what you were saying:

I'm going to try to rewrite left hand side as right hand side.

I'm going to rewrite :

Multiply both numerator and denominator by :

Multiply both numerator and denominator by :

When multiplying conjugates you only have to do first time first and last times last:

We can rewrite the numerator using the Pythagorean Identity: .

This gives us:

step-by-step explanation:

your answer is a