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Mathematics 9 Online
OpenStudy (anonymous):

sin^(2)2Θ-4sin2Θ-1=0 I saw this on here earlier but the solution provided confused me, hoping to get a bit better understanding edit: added =0

OpenStudy (aravindg):

Put sin 2theta=t Then you get a quadratic in t. Solve for t.

OpenStudy (anonymous):

its already set equal to 0, i forgot to put that in

OpenStudy (aravindg):

Np. Follow the method I suggested.

OpenStudy (anonymous):

could you explain the solution a bit more? Im not sure what I'm supposed to be doing

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