Question

Determine as equações trigonométricas:
a) Senx = √3/2
b) Cosx = ½
c) Tgx = 1

Answer 1

a) Senx=√3/2

=> x'=60° , x"=180-60= 120°

b) Cosx = ½

=> x'=30°, x"=360-30= 330°

c) Tgx = 1

=> x'=45° , x"=180+45 = 225°