(Solved): 16) For the following polar equation, compute dy/dx when \\( \\theta=\\pi / 2, r=1+\\cos \\theta \\ ...

16) For the following polar equation, compute dy/dx when \\( \\theta=\\pi / 2, r=1+\\cos \\theta \\) 17) Find where the following graph has a horizontal tangent: \\( r=1+\\sin \\theta \\) 18) Graph the following polar equation and set up the equation to find the area enclosed by the polar curve \\( r=3+\\cos \\theta \\). Don't compute the integral. 19) Set up the integral to find the area enclosed by the graphs of \\( r=4 \\cos \\theta \\) and \\( r \\) \\( =4 \\sin \\theta \\). Don't compute the integral. 20) Set up the integral to compute the area bounded by the curves \\( r=1+\\sin \\theta \\) and \\( r=1-\\sin \\theta \\). Don't compute the area.