u * v / |u| |v| = cos theta

how is -14/39 = cos theta = 1.94?

if -14/(13 * 3) = cos theta

please help if this makes any sense.

find the angle between u and v give your answer to the nearest .01 radians.

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- Mar 11th 2007, 10:26 PMrcmangofind angle between vectors .. confusion.
u * v / |u| |v| = cos theta

how is -14/39 = cos theta = 1.94?

if -14/(13 * 3) = cos theta

please help if this makes any sense.

find the angle between u and v give your answer to the nearest .01 radians. - Mar 11th 2007, 11:28 PMearboth
- Mar 12th 2007, 05:05 AMtopsquark