Question

Nomer 25 tolongin dengan penjelasannya

Answer 1

6 sin (2x + π/3) = 3
sin (2x + π/3) = 1/2
sin (2x + π/3) = sin 30
2x + 60 = 30
2x = -30
x = -15

sin (2x + π/3) = sin 150
2x + 60 = 150
x = 45

{11π/12 , π/4}