please answer the questions asap

1. If A(x) = sin 4x + = . find / a. 0 C. 4 b 4 d. I 2. If (x) = cos (x), find / 1 b. -1 d. 3. If {{x) = 2 sinxcosx, find -2 C. +1 NNA b. 1 d. 4. Find the slope of the tangent to the curve y = sin 2x - cos Zx at X = a. C. 4 b. -2 5. Find the slope of the tangent to the curve y = COS X 2x at X = 1 C. 1 b d. 0 Find the slope of the tangent to the curve y = 4 sin 2x at x = OH -3 C. 3-43 2 b. 6 d. 928. Find the equation of the tangent to y = xe* at the point (L.e) v