AP Calculus BChardmcq1 pt
The slope of a polar curve's tangent uses
A.dy/dx = (r′sinθ + rcosθ)/(r′cosθ − rsinθ)
B.dy/dx = r′
C.dy/dx = r
D.dy/dx = θ
Explanation
Core Concept
Differentiating x = rcosθ and y = rsinθ gives this slope.
Correct Answer
Ady/dx = (r′sinθ + rcosθ)/(r′cosθ − rsinθ)
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