Question

pojalusta tyhtyuhhyfjgg5uu

Answer 1

$5sin {90}^{0} + 2cos {0}^{0} - 2sin270^{0} + 10cos {180}^{0} = \\ 5 \times 1 + 2 \times 1 - 2 \times ( - 1) + 10( - 1) = \\ = 5 + 2 + 2 - 10 = - 1$