Jika (alpha + Beta) = 30 dan sin alpha . cos beta = 1/3,

Saluran Edukasion 2024-02-01T16:57:00

Jika (alpha + Beta) = 30 dan sin alpha . cos beta = 1/3, maka cos alpha .sin beta = ....
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Jika (alpha + Beta) = 30 dan sin alpha . cos beta = 1/3, maka cos alpha .sin beta = ....