Latihan Matematika Wajib Kelas X Aturan Cosinus
# 1
Pilgan

Perhatikan gambar berikut

cos⁡A=....\cos A=....

A

cos⁡A=32+42−222.3.4\cos A=\frac{3^2+4^2-2^2}{2.3.4}

B

cos⁡A=42+32−422.3.4\cos A=\frac{4^2+3^2-4^2}{2.3.4}

C

cos⁡A=22+42−323.3.4\cos A=\frac{2^2+4^2-3^2}{3.3.4}

D

cos⁡A=32+42+222.3.4\cos A=\frac{3^2+4^2+2^2}{2.3.4}

E

cos⁡A=22+42+322.2.4\cos A=\frac{2^2+4^2+3^2}{2.2.4}

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