Trig Identities Flashcards by Esmé Manders

Q

sin²x + cos²x

A

1

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Q

tanx

A

sinx/cosx

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Q

cot²x

A

cosec²x - 1

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Q

tan²x

A

sec²x - 1

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Q

secx

A

1/cosx

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Q

cosecx

A

1/sinx

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Q

cotx

A

1/tanx OR cosx/sinx

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