Trigonometry Flashcards by scarlett Bailey | Brainscape

Q

TanX

A

SinX/cosX

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Q

Sin2A

A

2sinAcosA

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Q

Cos2A

A

Cos²A - sin²A
2cos²A -1
1- tan²A

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Q

Tan2A

A

2tanA / 1- tan²A

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