Show how to prove that the first expression is identical to the second expression.?
First expression: (1-tan^2 theta)/(1+sin^2 theta)
Second expression: (2/cos^2 theta) - 1
(1-tan^2 theta)/(1+sin^2 theta) ≡ (2/cos^2 theta) - 1
First expression:
Second expression:
1 Answer
Apr 1, 2018
Explanation:
Let
Therefore: