SOLUTION: if tan theta is 1/4 find exact value of tan 2 theta

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Question 1106524: if tan theta is 1/4 find exact value of tan 2 theta
Found 2 solutions by Edwin McCravy, ikleyn:
Answer by Edwin McCravy(20065)   (Show Source): You can put this solution on YOUR website!

Answer by ikleyn(52915)   (Show Source): You can put this solution on YOUR website!
.
 = 


is the standard basic formula for the tangent of the double angle.


Substitute   =   into this formula:


 =   =  =  =  = .


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