trig rules Flashcards by Adrian Hristov

Q

Cos^(x)

A

Cos(2x)=2Cos^(x) - 1

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Q

Sin^(x)

A

cos(2x) = 1-2sin^(x)

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Q

sin(x)cos(x)

A

sin(2x) = 2sin(x)cos(x)

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Q

tan^(x)

A

1+tan^(x) = sec^(x)

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Q

Cot^(x)

A

1+cot^(x) = cosec^(x)

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Q

A

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