Trig Identities Flashcards by Sophia Dinh | Brainscape

Q

Trig identity w/ sin and cos

A

Sin² x + cos²x = 1

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Q

Trig identity w/ sec and tan

A

Sec² x - tan²x = 1

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Q

Trig identity w/ csc and cot

A

Csc² x - cot²x = 1

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