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G11 SUPER GIO
123
02
PRACTICE MISSIONparametric, polar, and vector representations

parametric, polar, and vector representations

NEW CASENEW EVIDENCE

Polar area

The polar curve r=2cos(theta) traces a circle for -pi/2<=theta<=pi/2. Area = (1/2) integral r^2 dtheta.

  1. Square r.
  2. Use the full tracing interval.
  3. cos^2 has average 1/2 over length pi.

What is the enclosed area?

MODELMotion Coordinate Rig
CALC
PROVEChoose with evidence
CLUE

Pause. Find what matters. Then make your move.