Question

Calculati: 4sin 30° -6cos60°+5tg45°

Answer 1

Răspuns:

Explicație pas cu pas:

4sin 30° -6cos60°+5tg45° = 4·1/2 - 6·1/2 + 5·1 = (4-6)/2 + 5 = -1+5 = 4

Answer 2

Salut,

4sin 30°-6cos 60°+5tg 45°=

=4×1/2-6×1/2+5×1=

=(4-6)/2+5=

=-1+5

=4

$by \\ 7646$