Solve the following equations given that . Your help is really appreciated. Thanks.
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Your help is really appreciated. Thanks.[/quote] a) Replace sin^2 X by 1-cos^2 X. The equation becomes 2cos^2 X =2
Originally Posted by Savior_Self Solve the following equations given that . Your help is really appreciated. Thanks. b) tan2X = -1/root3 Then set the range according to 2X. that is From 0<2X<4pi then replace 2X by another variable say Y tan Y= -1/root3 solve for Y in the new given range. At the end divide the answers by 2, because 2X=Y. Is that Ok.
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