Diketahui sin a=6/10, 90 <= a <= 180 dan tan b=-3/4, 270 <=
Saluran Edukasion 2024-07-13T05:09:08
Diketahui sin a=6/10, 90 <= a <= 180 dan tan b=-3/4, 270 <= b <= 360 . Nilai cos a+sin b=... .
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