2из корня3 sin60°+4cos60°

Question

2из корня3 sin60°+4cos60°

Answer 1

Sin 60 = sgrt3/2;
cos 60= 1/2.
2sgrt3*sin 60 + 4*cos60= 2sgrt3*sgrt3/2   + 4* 1/2= 3+2 = 5

Comments

спасибооооо