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sin (2x-60) = 1/2 √2
sin (2x-60)= sin 45
x1
2x-60 = α + k.360
2x-60 = 45 + k.360
2x= 45+60 + k.360
2x= 105 + k.360
x = 52,5 + k.180
k-1 = 52,5 + 180 = 232,5 derajat
k-0 = 52,5 + 0 = 52,5 derajat
x2
2x-60 = (180-α) + k.360
2x - 60 = 180 - 45 +k.360
2x-60 = 135 + k.360
2x = 135 + 60 +k.360
2x = 195 + k.360
x=97,5 + k.180
k-1-> 97,5 +180 = 277,5 derajat
k-0-> 97,5 + 0 = 97,5
hp : { 52,5 ; 97,5 ; 232,5 ; 277,5 }