Question 918949: Solve the equation for solutions in the interval [0, 2 pie): tan squared(2x)-16=0
Answer by lwsshak3(11628)   (Show Source):
You can put this solution on YOUR website! Solve the equation for solutions in the interval [0, 2 pie): tan squared(2x)-16=0
tan^2(2x)-16=0
tan^2(2x)=16
tan(2x)=±√16
tan(2x)=±4
Use inverse tan key on calculator set to radians:
2x=1.32, 1.82, 4.46, 4.96 radians
x=0.66, 0.91, 2.23, 2.48 radians
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