The number of points of local maxima of f(x) = 4 cos³(x) + 3√3 co… | JEE Main 2024 Mathematics PYQ | Jeeify

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MCQMediumJEE Main 2024 · 8 April, Shift 1Applications of Derivatives (Monotonicity, Extrema)

The number of points of local maxima of $f(x) = 4 \cos^3(x) + 3\sqrt{3} \cos^2(x) - 10$ in the interval $(0, 2\pi)$ is:

A
$1$
B
$2$
C
$3$
D
$4$

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