Question

Mohon bantuannya beserta cara kerjanya.

Answer 1

Verified answer

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★ Trigonometri ★

2 sin (2x-π/4)= √3
sin (2x-π/4)= 1/2 √3
sin (2x-π/4) = sin 60
2x - 180/4 = 60
2x - 45 = 60
2x = 105°
x = 52,5


x = (180-52,5 ) + k*360
k= 0 => x = 127,5

Hp ={52,5 ; 127,5}