SOLUTION: How do you determine if this is correct? Is sin2xsinx-cosx = -(3root3)/2 true for 7pi/6? Explain

SOLUTION: How do you determine if this is correct? Is sin2xsinx-cosx = -(3root3)/2 true for 7pi/6? Explain

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Question 889336: How do you determine if this is correct?
Is sin2xsinx-cosx = -(3root3)/2 true for 7pi/6? Explain
Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!
PLug in the value and see.

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