JEE Main 2021MathematicsInverse Trigonometric FunctionsMediumMCQ

JEE Main 2021Inverse Trigonometric Functions Question with Solution

JEE Main 2021 (25 Feb Shift 2)

Question

cosec2cot-15+cos-145 is equal to:

Choose an option

Show full solutionCorrect option: A
Correct answer
A6556

Step-by-step explanation

Given, cosec2tan-115+tan-134

=cosectan-12×151-125+tan-134

=cosectan-1512+tan-134

=cosectan-1512+341-512×34

=cosectan-15633=6556

option 1

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About this question

This is a previous-year question from JEE Main 2021, 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.