trig identities Flashcards by Ethan Currie | Brainscape

Q

linking sin2 and cos2

A

sin2x + cos2x = 1

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Q

linking tanx sinx and cosx

A

tanx= sinx/cosx

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Q

linking tan2x and sec2x

A

1+tan2x = sec2x

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Q

linking cot2x and cosec2x

A

1+cot2x = cosec2x

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