Question

Тригонометрия,помогите.

sin(-1000)=

sin(-1350)=

sin19/6*п=

cos11/2п=

tg16/3п=

tg(180-α)*cos(180-α)*tg(90-a)/sin(90+α)*ctg(90+α)*tg(90+α)

 

Answer 1

sin(-1000)=0.984807753012208

sin(-1350) =1

sin19/6*п=0.172674098423117

cos11/2п=0.9549163737391

tg16/3п=0.957588125773525