How do you convert (-2 , 7π/6) to rectangular form?

1 Answer
Nov 19, 2016

The rectangular point is (sqrt(3), 1)

Explanation:

Given (-2, (7pi)/6)

Use the equations:

x = rcos(theta) and y = rsin(theta)

x = (-2)cos((7pi)/6) and y = (-2)sin((7pi)/6)

x = (-2)(-sqrt(3)/2) and y = (-2)(-1/2)

x = sqrt(3) and y = 1

The rectangular point is (sqrt(3), 1)