October 2018 1 670 Report
Diketahui segitiga PQR siku-siku di P. Jika PR = 6cm dan tan R = 1/3 , maka nilai dari cos Q adalah . . . .
a. 1/10 akar10
b. 1/5 akar 10
c. 1/5 akar 5
d. 2/5 akar 5
e. 1/10 akar 5

Mohon bantuannya, segera. thanks
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