JEE Main 2026 — Trigonometric Ratios & Identities Question with Solution
JEE Main 2026 (02 April Shift 1)
Question
If , then the value of is :
Choose an option
Show full solutionCorrect option: A
Correct answer
A
Step-by-step explanation
Given
Using the standard trigonometric identity with :
Applying the identity, we get:
We need to find the value of . Substituting :
Expanding as :
Answer:
Using the standard trigonometric identity with :
Applying the identity, we get:
We need to find the value of . Substituting :
Expanding as :
Answer:
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This is a previous-year question from JEE Main 2026, covering the Trigonometric Ratios & Identities chapter of Mathematics. PrepSharp catalogues every PYQ from JEE Main with a verified answer key and step-by-step solution prepared by IIT alumni — so you can search by chapter, topic or year and revise efficiently.