JEE Main 2013 — Inverse Trigonometric Functions Question with Solution
From: JEE Main 2013 (Offline)
Question
If are in A.P. and and are also in A.P., then :
Choose an option
Show full solutionCorrect option: A
Correct answer
A
Step-by-step explanation
Given that, are in
So,
Also given that,
and are in
So,
[ as ]
As we get so, are in
According to the question are
both can be as well as
when
So,
Also given that,
and are in
So,
[ as ]
As we get so, are in
According to the question are
both can be as well as
when
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This is a previous-year question from JEE Main 2013, covering the Inverse Trigonometric Functions 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.