SOLUTION: How do I convert a decimal answer to a radical such as sin 7π divided by 6? I know it�s going to be a radical answer but how do I know what the right radical answer is?

Question 582150: How do I convert a decimal answer to a radical such as sin 7π divided by 6? I know it�s going to be a radical answer but how do I know what the right radical answer is?
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
How do I convert a decimal answer to a radical such as sin 7π divided by 6? I know it�s going to be a radical answer but how do I know what the right radical answer is?
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If 7pi/6 is the angle in radians,
sin(7pi/6) = -0.5
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I don't know what you mean about the radical???
maybe?

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SOLUTION: How do I convert a decimal answer to a radical such as sin 7&#960; divided by 6? I know it�s going to be a radical answer but how do I know what the right radical answer is?

SOLUTION: How do I convert a decimal answer to a radical such as sin 7π divided by 6? I know it�s going to be a radical answer but how do I know what the right radical answer is?