JEE Main 2026MathematicsInverse Trigonometric FunctionsHardNumerical

JEE Main 2026Inverse Trigonometric Functions Question with Solution

JEE Main 2026 (21 January Shift 2)

Question

Let the maximum value of for be , where . Then is equal to .

Enter your answer

Show full solutionCorrect answer: 65
Correct answer
65

Step-by-step explanation

Let and . Using :

This equals , which is minimized at .
For , we have .
Distance from to vertex: . Distance from to vertex: 0.
Maximum occurs at where :

Since , we have , so

Practice this on the real CBT interface

Solve this JEE Main question (and the rest of the Inverse Trigonometric Functions chapter) on PrepSharp's TCS iON-style CBT player — with timer, bookmarks and session analytics.

Solve interactively →

About this question

This is a previous-year question from JEE Main 2026, 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.