JEE Main 2017 — Inverse Trigonometric Functions Question with Solution
From: JEE Main 2017 (Online) 8th April Morning Slot
Question
The value of tan-1 is equal to :
Choose an option
Show full solutionCorrect option: A
Correct answer
A
Step-by-step explanation
Given,
tan-1
Let x2 = cos
= tan-1
= tan-1
= tan-1
= tan-1
= tan-1
= tan-1
= tan-1
=
= cos-1 x2
tan-1
Let x2 = cos
= tan-1
= tan-1
= tan-1
= tan-1
= tan-1
= tan-1
= tan-1
=
= cos-1 x2
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This is a previous-year question from JEE Main 2017, 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.