compound angles Flashcards

1
Q

sin2x

A

2sinxcosx

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2
Q

cos 2x - normal

A

cos^2x - sin^2x

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3
Q

cos 2x with sin

A

1-2sin^2x

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4
Q

cos2x with cos

A

2cosx -1

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5
Q

tan2x

A

2tanx/1-tan^2

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