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2 sin(2x+10) = √3
sin(2x+10) = 1/2 √3
--->
sin(2x+10) = 1/2 √3
sin(2x+10) = sin 60
2x+10 = 60
2x = 60-10
2x = 50
x = 25
--->
sin(2x+10) = 1/2 √3
sin(2x+10) = sin 120
2x+10 = 120
2x = 120-10
2x = 110
x = 55
Jadi, HP untuk 0° ≤ x ≤ 360° adalah {25° , 55°}
Mungkin ya, kurang yakin juga sih :/