SOLUTION: Solve the equation sin^2x (plus) 2cos^2x=2.find the value of x

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Question 862774: Solve the equation sin^2x (plus) 2cos^2x=2.find the value of x
Answer by mananth(16946) About Me  (Show Source):
You can put this solution on YOUR website!
sin%5E2%28x%29+%2B2cos%5E2%28x%29=2.

1-cos%5E2%28x%29+%2B2cos%5E2%28x%29=2

+cos%5E2%28x%29=1

cosx =+/-1
{0,180]








find the value of x