JEE Main Mathematics question

MathematicsTrigonometric Ratio and IdentitiesJEE Main

For any angle , the expression is equal to

Answer: (C)

Solution

Use the factorisation ; more simply, verify that . Multiply the left side by and use

See the full step-by-step solution

Create a free account to read the complete working, and practise questions like this in a timed test.

Create a free account

Question ID VK-007906