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Trigonometry Examples

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Solve by Graphing cos(pi/2)=2

$\cos (\frac{π}{2}) = 2$

Step 1

The exact value of $\cos (\frac{π}{2})$ is $0$ .

$0 = 2$

Step 2

$[\begin{array}{c} x^{2} & \frac{1}{2} \\ \sqrt{π} & \int x d x \end{array}]$

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