MathAnalysisCalculusNumerical functions

Trigonometric functions

Theory

Pythagorean identities

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Match the left and right parts of the Pythagorean identities.

Match the items from left and right columns
cos⁡2(α)+sin⁡2(α)=\cos^2(\alpha)+\sin^2(\alpha)=
1+tan⁡2(x)=1 + \tan^2(x) =
1+cot⁡2(x)=1 + \cot^2(x) =
1sin⁡2(x)\frac{1}{\sin^2(x)}
11
1cos⁡2(x)\frac{1}{\cos^2(x)}

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