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OpenStudy (anonymous):
find all real solutions to 2sin^2x+3sinx+1
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OpenStudy (phi):
I assume you mean \[ 2\sin^2x+3\sin x+1=0 \] ? If so, temporarily rename sin(x) as y so that you have the equation \[ 2y^2 +3y+1=0 \] can you factor this to find the y values?
OpenStudy (anonymous):
Yeah sorry! i meant that
OpenStudy (phi):
can you factor the quadratic 2y^2 +3y+1=0 ?
OpenStudy (anonymous):
yes! sorry i got lost
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