
Hannah C.
asked 04/15/21Calculus Polar Curve
Find the values of θ at which there are horizontal tangent lines on the graph of r = 1 + cos θ. (4 points)
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1 Expert Answer

John M. answered 04/15/21
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r = 1 + Cosθ
r' = -Sinθ = 0 for a horizontal tangent lines, so θ = nπ for n = 0 to ∞
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Mark M.
Test question? Getting or giving assistance of such is contrary to academic honesty.04/15/21