Homework Help: Math

Posted by Leslie on Tuesday, March 6, 2012 at 5:48pm.

Solve each equation for 0≤x<2π

1. (cosX)(cosX+1)=0

2. 2sin^2(X)-3sinX=2

Math - Henry, Wednesday, March 7, 2012 at 7:42pm
Since the product = 0,
cosX = 0.
X = 90 Deg.

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