JEE Main 2026 — Trigonometric Ratios & Identities Question with Solution
JEE Main 2026 (28 January Shift 1)
Question
If , then
Choose an option
Show full solutionCorrect option: C
Correct answer
C are in G.P.
Step-by-step explanation
Starting with , rearrange to .
.
Applying the identity and simplifying leads to a relationship between the tangent values.
The constraint reduces to , which means , , and form a geometric progression with common ratio .
.
Applying the identity and simplifying leads to a relationship between the tangent values.
The constraint reduces to , which means , , and form a geometric progression with common ratio .
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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.