1

JEE Main 2017 (Offline)

MCQ (Single Correct Answer)

+4

-1

If $$5\left( {{{\tan }^2}x - {{\cos }^2}x} \right) = 2\cos 2x + 9$$,

then the value of $$\cos 4x$$ is :

then the value of $$\cos 4x$$ is :

2

JEE Main 2016 (Online) 9th April Morning Slot

MCQ (Single Correct Answer)

+4

-1

If

4 + $${1 \over 2}$$ sin

*m*and*M*are the minimum and the maximum values of4 + $${1 \over 2}$$ sin

^{2}2x $$-$$ 2cos^{4}x, x $$ \in $$**R**, then*M*$$-$$*m*is equal to :3

JEE Main 2014 (Offline)

MCQ (Single Correct Answer)

+4

-1

Let $$f_k\left( x \right) = {1 \over k}\left( {{{\sin }^k}x + {{\cos }^k}x} \right)$$ where $$x \in R$$ and $$k \ge \,1.$$

Then $${f_4}\left( x \right) - {f_6}\left( x \right)\,\,$$ equals :

Then $${f_4}\left( x \right) - {f_6}\left( x \right)\,\,$$ equals :

4

JEE Main 2013 (Offline)

MCQ (Single Correct Answer)

+4

-1

The expression $${{\tan {\rm A}} \over {1 - \cot {\rm A}}} + {{\cot {\rm A}} \over {1 - \tan {\rm A}}}$$ can be written as:

Questions Asked from Trigonometric Ratio and Identites (MCQ (Single Correct Answer))

Number in Brackets after Paper Indicates No. of Questions

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