a) 150° = 150°·π/180 = 5π/6 ; -240° = -240°·π/180 = - 4π/3.
б) 1) = - 15· 180°/6 = - 450° ; 2) =17· 180°/4 = 765° .
Объяснение:
a) 150° = 150°·π/180 = 5π/6 ; -240° = -240°·π/180 = - 4π/3.
б) 1) = - 15· 180°/6 = - 450° ; 2) =17· 180°/4 = 765° .
Объяснение: