Find the exact value of sin2θ given that cosθ= -12/13 and θ is in Quadrant II.

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- May 13th 2008, 04:36 PMkelsey3Finding exact values for trigonometry
Find the exact value of sin2θ given that cosθ= -12/13 and θ is in Quadrant II.

- May 14th 2008, 06:12 AMtopsquark