JEE MATHEMATICS MCQ: TRIGONOMETRIC EQUATIONS

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Analyzing +4 | -1

The number of points of intersection of the curves

y=\cos x, y=\sin 3 x

, if

-\frac{\pi}{2} \leq x \leq \frac{\pi}{2}

, is

View answer and explanation

Correct option: A

Option A, 3, is correct because there are three points of intersection between the curves

y=\cos x

and

y=\sin 3x

within the given interval.

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