Math 113 1A Differential Calculus ASSIGN#3 (Derivatives of exponential and logarithmic functions) 16 points A. Find the first derivative of each of the following: 1. y = In(xsinx) (4 points) 2. y = In(cscx - cot x) (4 points) 3. y = e cos 5x (4 points) 4. y = Sec 3x (4 points)