JEE Main 2012 — Trigonometric Ratios & Identities Question with Solution
JEE Main 2012 (19 May Online)
Question
Suppose and are such that , sec and are in A.P. If for some , then is equal to
Choose an option
Show full solutionCorrect option: A
Correct answer
A
Step-by-step explanation
Since, and are in A.P.,
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This is a previous-year question from JEE Main 2012, 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.