Engineering Board Exam Reviewer · Polar Coordinates · easy

Convert the polar point (4,60°) to rectangular coordinates.

1. (2,2 3)
2. (2 3,2)
3. (-2,2 3)
4. (2 3,-2)

Answer

A. (2,2 3)

Solution

x=r =4 60°=2 and y=r =4 60°=2 3.

More Polar Coordinates questions

1. Find the point of intersection, with 0°< <90°, of the curves r=2 and r=4 .
2. Express the line x=4 in polar form.
3. Find the eccentricity of the conic r=6/2+ .
4. Identify the conic r=3/1+ .
5. Find the distance between the polar points (3,30°) and (5,90°).
6. Convert the polar equation r=4 to rectangular form.
7. Convert the rectangular point (-3,3) to polar coordinates (r, ) with r>0 and 0°≤ <360°.

All Polar Coordinates questions