SOLUTION: 4 sin θ - 1= 2 sin θ

Question 806224: 4 sin θ - 1= 2 sin θ
Answer by solver91311(24713) (Show Source): You can put this solution on YOUR website!

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

Egw to Beta kai to Sigma
My calculator said it, I believe it, that settles it

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SOLUTION: 4 sin &#952; - 1= 2 sin &#952;

SOLUTION: 4 sin θ - 1= 2 sin θ