Test SeriesFree PYQsExamsPricing

JEE Main Mathematics question

MathematicsTrigonometric Ratio and IdentitiesJEE Main

The expression is equal to

Answer: (C)

Solution

Write and , so , and . First two terms: . Third term:

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-008307