show that 2sinxcosx + 4cos^2 x = 1 can be written as tan^2 x - 2tanx - 3 =0
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2sinxcosx + 4cos^2 x = 1 can be written as tan^2 x - 2tanx - 3 =0
2sinxcosx + 4cos^2 x = 1 can be written as tan^2 x - 2tanx - 3 =0
2sinxcosx + 4cos^2 x = 1 can be written as tan^2 x - 2tanx - 3 =0
2sinxcosx + 4cos^2 x = 1 can be written as tan^2 x - 2tanx - 3 =0
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