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JEE Main 2022 Mathematics question

MathematicsMethods of DifferentiationsJEE Main 2022

The value of 2 · d/dx cosec x) at is

Answer: (4)

Solution

Let f(x) = cosec x = ln(cosec x)/ln(cos x). Then x)(−cot x) − ln(cosec x)(−tan x)]/(ln cos . At : ln(cos x) = −(1/2)ln 2,

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Question ID VK-025081