Question

determine os valores de:

a) tg 150°

b) tg 240°

c) tg 315°​

Answer 1

a) tg 150° = -tg(180-150)= -tg30= -√3/3

b) tg 240° = tg(240-180)= tg60 = √3

c) tg 315° = -tg(360-315)= -tg45= -1