SOLUTION: Find all solutions to the equation: 2sin^2x + 3sinx + 1=0?? This is how I attempted to solve the problem. Replace sin with x 2x^2 +3x+1=0 Then I used "flower power" Borrow x

Algebra ->  Trigonometry-basics -> SOLUTION: Find all solutions to the equation: 2sin^2x + 3sinx + 1=0?? This is how I attempted to solve the problem. Replace sin with x 2x^2 +3x+1=0 Then I used "flower power" Borrow x       Log On


   



Question 721004: Find all solutions to the equation: 2sin^2x + 3sinx + 1=0??
This is how I attempted to solve the problem.
Replace sin with x
2x^2 +3x+1=0
Then I used "flower power"
Borrow x
x^2+3x+2=0
Then u simply
(sin+1)(sin+2)=0
sin+1=0. sin+2=0
sin= -1. sin=-2
=270º. =?

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