rumus perkalian bentuk sinus cosinus Flashcards

1
Q

2 sin a cos b

A

sin (a + b) + sin (a - b)

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2
Q

2 cos a sin b

A

sin (a + b) - sin (a - b)

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3
Q

2 cos a cos b

A

cos (a + b) + cos (a - b)

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4
Q

2 sin a sin b

A

-2cos (a + b) + cos (a - b)

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