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OpenStudy (anonymous):
If sin theta=1/2, which could not be the value of theta? A. 30 degrees B. 210 degrees C. 150 degrees D. 390 degrees
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OpenStudy (cydney_morgan):
*Waits for Batman to say something so I can give him a medal for smartness*
OpenStudy (anonymous):
You can just punch each of the solution given into a calculator and see if it = 0.5.
OpenStudy (anonymous):
But from what I remember it's 210 degrees because on the unit circle that would be negative.
OpenStudy (anonymous):
And I'm definitely not going over the unit circle here lol.
OpenStudy (anonymous):
Find the period, range, and amplitude of the cosine function. y=-4cos 8x
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OpenStudy (anonymous):
-.-
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