Posted by **ami** on Sunday, August 22, 2010 at 7:15pm.

Express the direction 331° CW from the +x-axis in the following different ways. For this problem north is positive y and east is positive x.

1) east of north

2) above the +x-axis

3) right of the vertical in quadrant 1

4) CW from the -y-axis

- PHY -
**MathMate**, Sunday, August 22, 2010 at 9:26pm
331°CW from the +x axis is the same as 360°-331°=29° in the trigonometric sense, namely 29° CCW measured from the +x axis, in the first quadrant.

1. To get the angle "east of north", subtract 29° from 90 (north).

2. The angle is 29° above the x-axis.

3. right of the vertical is the same as #1 above.

4. CW from the +y axis is the same as #1 above.

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