Question

2*cosП - 6sinП/6
помогите)

Answer 1

$2 \times \cos(\pi) - 6 \sin(\pi\div 6) \\ 2 \times ( - 1) - 6 \sin( \frac{\pi}{6} ) \\ - 2 - 6 \times \frac{1}{2} \\ - 2 - 3 \\ - 5$