Sum and Difference Formulas Flashcards by Spencer Tuft | Brainscape

Q

cos (u + v) = ?

A

(cos u)(cos v) - (sin u)(sin v)

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Q

sin (u + v) = ?

A

(sin v)(cos u) + (cos v)(sin u)

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Q

tan (u + v) = ?

A

(tan u + tan v) / (1 - (tan u)(tan v))

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