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Trigonometry Examples

Popular Problems

Simplify sin(pi/8)^2+cos(pi/8)^2

$\sin^{2} (\frac{π}{8}) + \cos^{2} (\frac{π}{8})$

Step 1

Apply pythagorean identity.

$1$

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

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