Answer:
c
Step-by-step explanation:
the answer is c becuase i know this que
Answer:
Step-by-step explanation:
x≠ n*π, where n is an integer
because x/π can not be an integer
Answer:
2×y^2
Step-by-step explanation:
i hope it helped you a lot. thankyou
Dy/dx = (dy/dt) / (dx/dt)
dy/dt = 2cos(2t)
dx/dt = -2sin(2t)
dy/dx = 2cos(2t)/-2sin(2t) = -cot(2t)
d^y/dx^2 = d(-1/tan(2t))/dx = (tan(2t) * 0 - (-1)*2sec^2(2t))/tan^2(2t) = 2sec^2(2t)/tan^2(2t) = 2csc^2 (2t)