SOLUTION: If 2sin^2theta -cos^2theta=2 then theta=?

Question 1038604: If 2sin^2theta -cos^2theta=2 then theta=?
Answer by ikleyn(52790) (Show Source): You can put this solution on YOUR website!
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If 2sin^2theta -cos^2theta=2 then theta=?
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

 =  = .


Therefore, if  = 2 then

 =   --->

 =   --->

 =   --->

 = +/-  --->

 =   or   = , k = 0, +/-1, +/-2, . . . 

Answer.   = ,  k = 0, +/-1, +/-2, . . .

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