Final Answer
Step-by-step Solution
Specify the solving method
I. Express the LHS in terms of sine and cosine and simplify
Start from the LHS (left-hand side)
Learn how to solve trigonometric identities problems step by step online.
Learn how to solve trigonometric identities problems step by step online. Prove the trigonometric identity (1-tan(x)^2)/(1+tan(x)^2)=1-2sin(x)^2. section:I. Express the LHS in terms of sine and cosine and simplify. Start from the LHS (left-hand side). Rewrite \tan\left(x\right)^2 in terms of sine and cosine. Rewrite \tan\left(x\right)^2 in terms of sine and cosine.