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Trigonometry > Double Angle Identities > Flashcards

Double Angle Identities Flashcards

0
Q

Cos 2

A 
2cos^2-1
or
cos^2-sin^2 
or
1-2sin^2
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1
Q

Sin 2

A

2sincos

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2
Q

Tan 2

A

2tan/1-tan

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Trigonometry (7 decks)

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