December 2018 2 127 Report
9. Persamaan Cos 2x+3Cosx = 10° ≤ x ≤ 360° Nilai x yang memenuhi adalah...
10. Sistem persamaan:
 \frac{2}{x}+ \frac{1}{y}=- \frac{1}{3}
  \frac{3}{x}- \frac{2}{y}=3
mempunyai penyelesaian x dan y, nilai dari x+y adalah...
11. Jika system persamaan
5x+3y+2z=29
2x+5y+3z=34
3x+2y+5z=37
Nilai 7x+7y+7z=....
12. ∫ 10  \sqrt{Sin 2x} Cos2x dx=...
13. Jika sudut antara vektor a= \left[\begin{array}{ccc}2\\1\\-3\end{array}\right] dan vektor b=\left[\begin{array}{ccc}-1\\3\\-2\end{array}\right] adalah  \alpha , besarnya  \alpha =....
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