Cos 95°+cos 94°+cos 93°+cos 85°+cos 86°+cos 87°

Question

Cos 95°+cos 94°+cos 93°+cos 85°+cos 86°+cos 87°

Answer 1

Cos 95°+cos 94°+cos 93°+cos 85°+cos 86°+cos 87°
95+94+93+85+86+87
-0.087+(-0.07)+(-0.052)+0.087+0.07+0.053)
равно:0.001