SOLUTION: How do I solve sin(x)-sin(2x)+2cos(x)-1=0

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Question 633154: How do I solve
sin(x)-sin(2x)+2cos(x)-1=0
Answer by solver91311(24713) About Me  (Show Source):
You can put this solution on YOUR website!




Use



To write:



Collect the terms in the LHS and the rest in the RHS:



Factor out



Multiply both sides by







John

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