Home > Matematika SMA, Trigonometri > trigonometri sin(A+B)

trigonometri sin(A+B)

jika sin A=4/5 dan cos B=7/25 tentukan nilai dari……
a) sin (a+b)
b) cos (a-b)

jawaban

image sumber soal:https://www.facebook.com/groups/153633031438824/permalink/364427520359373/

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