a) cos105градусовб) sin 75в) ctg 15

Question

a) cos105градусов
б) sin 75
в) ctg 15

Answer 1

Cos(105°)-0.2588. Sin 0,9659
ctg=3.7321

Answer 2

Cos(105°) =-0.2588.

Sin75= 0,9659
ctg15=3.7321