C3.1 Flashcards by Daisy B

Q

sin2A

A

2sinAcosA

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Q

cos2A

A

cos^2-sin^2 = 2cos^2A-1 = 1-2sin^2A

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Q

tan2A

A

1-tan^2

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Q

1+tan^2A

A

sec^2

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Q

1+cot^2A

A

cosec^2A

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