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kylepetten
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Homework Statement
Find all solutions to the equation below such that -180° [tex]\leq[/tex] x [tex]\leq[/tex] 90°
2sin2x + sinx = 0
Homework Equations
The Attempt at a Solution
2sin2x + sinx = 0
sinx[2sinx + 1] = 0
sin x = 0 sinx= -1/2
x = {0° + 360°n
{-180° + 360°n
n[tex]\epsilon[/tex]I
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