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Trigonometry identities

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1 1 TRIGONOMETRIC IDENTITIES RECIPROCAL IDENTITIES DOUBLE-ANGLE IDENTITIES COSX 2 tan x cotx= sin 2x = 2 sin x cosx tan x sin x 1 + tanax cos2x = cos x-sinºx sin x = 2 cos2x-1 1 1-tan- x = 1-2 sin- x = 2 tanx 1 + tan- x tan 2x = PYTHAGOREAN IDENTITIES 1 - tan- x sin- x + cos2x = 1 cotx-1 cot 2x = CSC X= secx = COSX ...
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