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Trigonometry Examples

Popular Problems

Simplify (cos(x)^2-sin(x)^2)^2

${(\cos^{2} (x) - \sin^{2} (x))}^{2}$

Step 1

Apply the cosine double-angle identity.

$\cos^{2} (2 x)$

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

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