Question

4sin30-6cos60+5tg45
Cu explicații va rog

Answer 1

$\sin(30) = \frac{1}{2} \\ \\ \cos(60) = \frac{1}{2} \\ \\ \tan(45) = 1$

$4 \times \frac{1}{2} - 6 \times \frac{1}{2} + 5 \times 1 = 2 - 3 + 5 = 4$