SOLUTION: COMPLETELY LOST HELP NEEDED ON HOMEWORK QUESTION IT would be much appreciated Given the function f(x)=20sin(30*x)-10 determine when f(x)=-20

Question 731623: COMPLETELY LOST HELP NEEDED ON HOMEWORK QUESTION IT would be much appreciated
Given the function f(x)=20sin(30*x)-10 determine when f(x)=-20
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
f(x)=20sin(30*x)-10 determine when f(x)=-20
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20sin(30x) - 10 = -20
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20sin(30x) = -10
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sin(30x) = -1/2
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30x = -pi/6 or 30x = 7pi/6)
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In radians:
x = -pi/180 or x = (7pi)/180
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In degrees:
x = -1 degree or x = 7 degrees
===============
Cheers,
Stan H.
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