- #1
JeffNYC
- 26
- 0
A) Find the unit vector parallel to tan(x) at (Pi/4, 1)
B) Find the unit vector normal to tan(x) at (Pi/4, 1)
dy/dx tanx = sec2x and sec2x evaluated at x = Pi/4 is 2. So the slope of the parallel line is 2, but how do I then derive the unit vector?
B) Find the unit vector normal to tan(x) at (Pi/4, 1)
dy/dx tanx = sec2x and sec2x evaluated at x = Pi/4 is 2. So the slope of the parallel line is 2, but how do I then derive the unit vector?