1

JEE Main 2021 (Online) 16th March Morning Shift

MCQ (Single Correct Answer)

+4

-1

If for x $$\in$$ $$\left( {0,{\pi \over 2}} \right)$$, log

_{10}sinx + log_{10}cosx = $$-$$1 and log_{10}(sinx + cosx) = $${1 \over 2}$$(log_{10}n $$-$$ 1), n > 0, then the value of n is equal to :2

JEE Main 2021 (Online) 25th February Evening Shift

MCQ (Single Correct Answer)

+4

-1

If 0 < x, y < $$\pi$$ and cosx + cosy $$-$$ cos(x + y) = $${3 \over 2}$$, then sinx + cosy is equal to :

3

JEE Main 2021 (Online) 25th February Morning Slot

MCQ (Single Correct Answer)

+4

-1

All possible values of $$\theta$$ $$\in$$ [0, 2$$\pi$$] for which sin 2$$\theta$$ + tan 2$$\theta$$ > 0 lie in :

4

JEE Main 2021 (Online) 24th February Morning Slot

MCQ (Single Correct Answer)

+4

-1

English

Hindi

If
$${e^{\left( {{{\cos }^2}x + {{\cos }^4}x + {{\cos }^6}x + ...\infty } \right){{\log }_e}2}}$$
satisfies the equation t

$${{2\sin x} \over {\sin x + \sqrt 3 \cos x}}\left( {0 < x < {\pi \over 2}} \right)$$ is :

^{2}- 9t + 8 = 0, then the value of$${{2\sin x} \over {\sin x + \sqrt 3 \cos x}}\left( {0 < x < {\pi \over 2}} \right)$$ is :

Questions Asked from Trigonometric Functions & Equations (MCQ (Single Correct Answer))

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