ALGEBRA II/TRIG IDENTITIES



Algebra II Trigonometry

Reciprocal Identities

[pic] [pic]

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Pythagorean Identities

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Even/Odd Identities

sin (-x) = -sin x

tan(-x) = -tan x

cos (-x) = cos x

Cofunction Identities

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Sum and Difference Identities

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Double Angle Identities

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Angle Between Two Lines

[pic] for[pic], the acute angle

between two lines

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