Assignment:
Q1. Find unit tangent and normal vectors at the given point:
y= x3 at (-1,1)
x=t3 y=t2 at (-1,1)
x=3sin2t y=4cos2t where t = πi/6
x=t-sint y=1-cost where t=π/2
Q2. Find the curvature of the given plane:
x=5 cosh t y=3 sinh t at t=0
Provide complete and step by step solution for the question and show calculations and use formulas.