v=-12i+5j determine angle for the vector.

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Guest Aug 1, 2014

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Best Answer

Using the tangent inverse, we have

tan^-1 (-5/12) = -22.61986494804°......but our angle is in the second quadrant, so we must add 180° to this result...and we get...

157.38013505196°

CPhill Aug 1, 2014

CPhill · Answer 1 · 2014-08-01T12:29:02

Using the tangent inverse, we have

tan^-1 (-5/12) = -22.61986494804°......but our angle is in the second quadrant, so we must add 180° to this result...and we get...

157.38013505196°