JEE Main 2019 — Inverse Trigonometric Functions Question with Solution
From: JEE Main 2019 (Online) 9th January Evening Slot
Question
If x = sin1(sin10) and y = cos1(cos10), then y x is equal to :
Choose an option
Show full solutionCorrect option: D
Correct answer
D
Step-by-step explanation
x = sin1 sin 10 = 3 10
y = cos1cos 10 = 4 10
y x = (4 10) (3 10) =
y = cos1cos 10 = 4 10
y x = (4 10) (3 10) =
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This is a previous-year question from JEE Main 2019, 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.