JEE Main 2026 — Trigonometric Ratios & Identities Question with Solution
JEE Main 2026 (23 January Shift 2)
Question
Let and . Then the value of
is equal to
is equal to
Choose an option
Show full solutionCorrect option: D
Correct answer
D
Step-by-step explanation
Expanding and regrouping:
.
From : , .
.
Since , , so the value is .
.
From : , .
.
Since , , so the value is .
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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.