$$$\cos{\left(\frac{\pi}{2} \right)}$$$

The calculator will find the cosine of $$$\frac{\pi}{2}$$$ radians.

Find $$$\cos{\left(\frac{\pi}{2} \right)}$$$.

$$$\cos{\left(\frac{\pi}{2} \right)} = \cos{\left(90^{\circ} \right)} = 0$$$A

For graph, see the graphing calculator.

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