1
BITSAT 2021
MCQ (Single Correct Answer)
+3
-1
If $${\cos ^3}x\,.\,\sin 2x = \sum\limits_{m = 1}^n {{a_m}\sin mx} $$ is identity in x, then
2
BITSAT 2021
MCQ (Single Correct Answer)
+3
-1
Total number of solutions of $$\left| {\cot x} \right| = \cot x + {1 \over {\sin x}},x \in [0,3\pi ]$$ is equal to
Questions Asked from Trigonometric Equations (MCQ (Single Correct Answer))
Number in Brackets after Paper Indicates No. of Questions
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