If y-3 cos x- then dydx at x-2 is

The correct option is A 3 Given that y=3cos x ⇒ dy dx = 3sin x at x=π #160; 2 ⇒ #160; dy dx = sinπ #160; 2 = 3 ...

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Derivative of Standard Functions

If y=3 cos ...

Question

If $y = 3 cos x$ , then $\frac{d y}{d x}$ at $x = \frac{π}{2}$ is

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Similar questions

2 y = {({cot}^{- 1} (\frac{\sqrt{3} cos x + sin x}{cos x - \sqrt{3} sin x}))}^{2}, x \in (0, \frac{π}{2})

\frac{d y}{d x}

y = (\frac{2 - 3 c o s x}{s i n x}),

\frac{d y}{d x}

x = \frac{π}{4}

2 y = {({cot}^{- 1} (\frac{\sqrt{3} cos x + sin x}{cos x - \sqrt{3} sin x}))}^{2}, x \in (0, \frac{π}{2})

\frac{d y}{d x}

\frac{d y}{d x} + 2 y tan x = sin x .

x = \frac{π}{3}

y = 0

\int_{π / 2}^{x} \sqrt{3 - 2 {sin}^{2} t} d t + \int_{0}^{y} cos t d t = 0

(\frac{d y}{d x})

x = π

y = π

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