Homework Statement
Find an equation for the line tangent to the curve at the point defined by the given value of t.
x = 2 cos t
y = 2 sin t
t = pi/4
Homework Equations
sin (pi/4) = sqrt(2)/2
cos (pi/4) = sqrt(2)/2
The Attempt at a Solution
Determining the slope:
[dy/dt]/[dx/dt]...