Latihan Matematika Wajib Kelas X Aturan Cosinus
# 2
Pilgan

Perhatikan gambar berikut

Nilai cos⁡α=....\cos\alpha=....

A

a2−3b22ab\frac{a^2-3b^2}{2ab}

B

a2−2b22ab\frac{a^2-2b^2}{2ab}

C

a2−b22ab\frac{a^2-b^2}{2ab}

D

a−2b2ab\frac{a-2b}{2ab}

E

a−4b2ab\frac{a-4b}{2ab}

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