Engineering Board Exam Reviewer · Polar Coordinates · hard

Find the point of intersection, with 0°< <90°, of the curves r=2 and r=4 .

  1. (2,30°)
  2. (2,45°)
  3. (4,60°)
  4. (2,60°)

Answer

D. (2,60°)

Solution

Set 4 =2 = 12 =60°, with r=2.

More Polar Coordinates questions

  1. Express the line x=4 in polar form.
  2. Find the eccentricity of the conic r=6/2+ .
  3. Identify the conic r=3/1+ .
  4. Find the distance between the polar points (3,30°) and (5,90°).
  5. Convert the polar equation r=4 to rectangular form.
  6. Convert the rectangular point (-3,3) to polar coordinates (r, ) with r>0 and 0°≤ <360°.
  7. Convert the polar point (4,60°) to rectangular coordinates.

All Polar Coordinates questions