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 2csc(y)^2=1/(1-cos(y))+1/(1+cos(y)). section:I. Express the LHS in terms of sine and cosine and simplify. Start from the LHS (left-hand side). Applying the cosecant identity: \displaystyle\csc\left(\theta\right)=\frac{1}{\sin\left(\theta\right)}. section:II. Express the RHS in terms of sine and cosine and simplify.