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OpenStudy (anonymous):
Find the exact solutions in radians: sin3x=1/2
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OpenStudy (kainui):
Don't look at it like it's mysterious. You've seen sine of an angle be equal to 1/2 before right? So what angle, when you take the sine of it, gives you 1/2?
OpenStudy (anonymous):
30 degree angle?
OpenStudy (kainui):
Yeah exactly! So that means that the 3x on the inside must be equal to 30 degrees (or pi/6 radians). There's also another angle that it could possibly be, do you know what that is?
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