44-46 how to solve this questions!!

1 7 = 6t tet 44) Find equation of tangent to curve at point with given parameter x= t' + 2 tal 4 = ( 2 - 4t Fund day / dx2 45 Find Equation of tangent to curve 46 X = 5+ + 2, y= t + 4t at given point X= 2 sino 4 = 2 cost ( 1, 53)