rumus jumlah dan selisih sinus kosinus Flashcards

1
Q

sin a + sin b

A

2 sin 1/2 (A+B) cos 1/2 (A-B)

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2
Q

sin a - sin b

A

2 cos 1/2 (A+B) sin 1/2 (A-B)

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3
Q

cos a + cos b

A

2 cos 1/2 (A+B) cos 1/2 (A-B)

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4
Q

cos a - cos b

A

-2 sin 1/2 (A+B) sin 1/2 (A-B)

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5
Q

tan a + tan b

A

2 sin (A+B) / cos (A+B) + cos (A-B)

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6
Q

tan a - tan b

A

2 sin (A-B) / cos (A+B) + cos (A-B)

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