Trigonometric Identities

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Geometry & Trigonometry

Right Triangles & Trigonometry

A-Level Mathematics

12th

sin^2θ + cos^2θ

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sec^2θ

1 + tan^2θ

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cosec^2θ

1 + cot^2θ

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sinθ/cosθ

tanθ

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sin2θ

2sinθcosθ

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cos2θ

cos^2θ - sin^2θ

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tan2θ

2tanθ/(1 - tan^θ)

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