cos2(theta) = 1 - cos(theta) [-180, 180]

sin^2(theta) = 2sin2(theta) [-180,180]

2tan(theta) = sqrt3(1 - tan(theta)(1 + tan(theta)) [0,360]

thanks, i keep getting the wrong answers

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- Dec 10th 2008, 04:45 PMdnoSolve the following equations
cos2(theta) = 1 - cos(theta) [-180, 180]

sin^2(theta) = 2sin2(theta) [-180,180]

2tan(theta) = sqrt3(1 - tan(theta)(1 + tan(theta)) [0,360]

thanks, i keep getting the wrong answers - Dec 10th 2008, 06:22 PMskeeter