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statuscvo [17]
2 years ago
15

2. Find rectangular coordinates for the point (6, 240°).

Physics
1 answer:
tatuchka [14]2 years ago
7 0

Answer:

(-3, -3√3)

Explanation:

To convert from polar coordinate to rectangular coordinate, first you have to know these two equations:

\displaystyle{x=r\cos \theta}\\\displaystyle{y=r\sin \theta}

We know that (x,y) is in rectangular coordinate form while (r,θ) is in polar coordinate form.

Therefore, substitute r = 6 and θ = 240° in both equations:

\displaystyle{x=6\cos 240^{\circ}}\\\displaystyle{y=6\sin 240^{\circ}}

After evaluating, you'll get:

\displaystyle{x=-3}\\\displaystye{y=-3\sqrt{3}}

Therefore, substitute x and y in rectangular coordinate form - hence, the answer is (-3, -3√3)

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