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March 3, 2015

March 3, 2015

Posted by **Becky** on Friday, August 31, 2012 at 3:09pm.

- calc 3 -
**MathMate**, Friday, August 31, 2012 at 3:19pmTrouble-free way to get resultant:

resolve into x- and y-components and add.

Wind is FROM N45W, which means that its direction is S45E.

Take East = x, and North = y,

the wind vector is then

<40sin(45),40cos(45)>

The velocity vector of the plane is

<200sin(60),200cos(60)>

The combined vector (resultant) is therefore

<40sin(45)+200sin(60), 40cos(45)+200cos(60)>

Find the magnitude and direction of the resultant in the usual way.

- calc 3 -
**t**, Saturday, February 21, 2015 at 11:36amt

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