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Trigonometry Examples

Popular Problems

Find the Exact Value sec(15)^2-tan(15)^2

$\sec^{2} (15) - \tan^{2} (15)$

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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