What is the slope of r=sintheta at theta=pi? Calculus Polar Curves Determining the Slope and Tangent Lines for a Polar Curve 1 Answer Alexander Jul 9, 2016 r=sin(theta) (dr)/(d theta) = cos(theta), and at theta = pi -> cos(pi) = -1 Answer link Related questions How do you find the slope of the tangent line to a polar curve? How do you find the slope of a polar curve? How do you find the equation of the tangent line to the polar curve r=3+8sin(theta) at theta=pi/6 ? How do you find the slope of the polar curve r=3+8sin(theta) at theta=pi/6 ? How do you find the slope of the polar curve r=cos(2theta) at theta=pi/2 ? How do you find the slope of the polar curve r=1+sin(theta) at theta=pi/4 ? How do you find the slope of the polar curve r=3sec(2theta) at theta=pi/6 ? How do you find the equation of the tangent lines to the polar curve r=sin(2theta) at theta=2pi ? How do you find the equation of the tangent lines to the polar curve r=4cos(theta) at theta=0 ? What is the slope of x-2y=2? See all questions in Determining the Slope and Tangent Lines for a Polar Curve Impact of this question 3045 views around the world You can reuse this answer Creative Commons License