SOLUTION: 4 sin θ - 1= 2 sin θ

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Question 806224: 4 sin θ - 1= 2 sin θ
Answer by solver91311(24713) About Me  (Show Source):
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Square both sides:



Collect like terms

Let and substitute.



Solve the factorable quadratic. Check BOTH answers since one or both may be extraneous caused by squaring. Then find the inverse sin value(s) of any valid root(s). Don't forget to add to each element of the solution set.

John

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