6. (10 pts) Calculate the derivatives. y =(arctan( x) +5) 7. (10 pts) Calculate the derivatives. y =tan( x- +1) .arcsin( x) For problems 7-10 answers with no sufficient detail will not receive full credits. 8. (10 pts) Evaluate the integral based on inverse trigonometric functions. (a) dx V1 - 16x2 9. (10 pts) Evaluate the integral based on inverse trigonometric functions. (b 1 -dx XV16x- - 25