What are the components of the vector between the origin and the polar coordinate $(- 2, \frac{- 5 π}{6})$ $(-2, (-5pi)/6)$ ?

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Answer 1 · 2016-02-21T04:22:29

$x = \sqrt{3}$ $x = sqrt3$
$y = 1$ $y = 1$

$x = r cos θ = (- 2) cos (\frac{- 5 π}{6}) = \sqrt{3}$ $x = rcostheta = (-2)cos(frac{-5pi}{6}) = sqrt3$

$y = r sin θ = (- 2) sin (\frac{- 5 π}{6}) = 1$ $y = rsintheta = (-2)sin(frac{-5pi}{6}) = 1$

What are the components of the vector between the origin and the polar coordinate (-2, (-5pi)/6)(−2,−5π6)(-2, (-5pi)/6)?