SOLUTION: how do you solve 3cos^2x=2sin^2x+2
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Question 1149982: how do you solve 3cos^2x=2sin^2x+2
Answer by greenestamps(13203) (Show Source): You can put this solution on YOUR website!
Replace cos^2x with 1-sin^2x to obtain a quadratic equation in sinx; or replace sin^2x with 1-cos^2x to obtain a quadratic equation in cosx.
Then solve the quadratic in sinx or cosx exactly the same way you would solve a quadratic in x.
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