Find the points at which the following polar curve has vertical or a horizontal tangent line. r=7cos 0. Find dx/dy as a function of 0
dx/dy =
At what points does the polar curve have a vertical tangent line?
A. The polar curve has a vertical tangent line at ((7√2)/2, π/4) and -(7√2)/2, 3π/4 )
B. The polar curve has a vertical tangent line at (7/2, π/3) and (-7/2, 2π/3)
c The polar curve has a vertical tangent line at (7, π/6) and (7, π/3)
D. The polar curve has a vertical tangent line at (7,0) and (0, π/2)
At what points does the polar curve have horizontal tangent line? A The polar curve has a horizontal tangent line at (7, π/6) and (7, π/3)
B. The polar curve has a horizontal tangent line at (7,0) and (0, π/2)
C. The polar curve has a horizontal tangent line at and ((7√2)/2, π/4) and -(7√2)/2, 3π/4 )
D. The polar curve has a horizontal tangent line at (7/2, π/3) and (-7/2, 2π/3)
