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# Linear Approximation of Cosine Function at Point pi/2

SVCALC-MVIG8U

Determine the linear approximation for $f(\Theta)=\cos(\Theta)$ at $\Theta=\pi/2$.

A

$\Theta$

B

$\pi/2$

C

$-\Theta+\pi/2$

D

$\Theta+\pi/2$