What are the components of the vector between the origin and the polar coordinate #(7, (23pi)/12)#?

Question

1667 views around the world

You can reuse this answer
Creative Commons License

Answer 1 · 2018-02-27T02:52:38

Rectangular coordinates of #vecV# #color(green)((6.7615, -0.2679)#

It’s in the fourth quadrant.

enter image source here

Given : #r = sqrt(x^2 + y^2) = 7, theta = (23pi)/12#

To find rectangular coordinates (x,y)

#x = r cos theta = 7 * cos ((23pi)/12)theta) = color (green)(6.7615#

#y = r sin theta = 7 * sin ((23pi)/12)theta) = color (green)(-1.8117#

#tan theta = tan (23pi)/12 = color (green)(-0.2679#