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09-06-2016
Mathematics

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Find the rectangular coordinates of the point with the polar coordinates (7, 2pi/3)

Respuesta :

Youphoria Youphoria

14-06-2016

Polar coordinates are given by (r,θ).
Rectangular coordinates are given by (x,y)=(rcos θ,rsin θ)

You are given the r and the θ.

You need to find what 7cos(2π3) is, then find 7sin(2π3).

x=−7/2
y=7√3/2

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