trig identities a level maths

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sin^2x + cos^2x

1

cos2x (s)

1-2sin^x

cos2x (c)

2cos^2x-1

sin2x

2sinxcosx

tan2x

2tanx/1-tan^2x

1 + tan^2x

sec^2x

tan(x)

sin(x)/cos(x)

cot(x)

cos(x)/sin(x)

cos2x (c-s)

cos^2x-sin^2x

1 + cot^2x

cosec^2x


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