4. (Integration) Calculate each indefinite or definite integral, if possible. 2 ) / 2 1 /3 + 1 do b) / cos 3 ( 0 ) sin ( 0 ) do c ) M eVI - da 4. 130\f(Limits) Evaluate each limit using any method of your choice. a) lim x + sin c 1-+0 x + cos x b ) lim V9x2 + 1 x- -00 2x+ 1 C) tan '(f(x) ) lim where f(0) = 0 and f(x) is differentiable. I-+ f (I ) 1. 130\f3. (Implicit Differentiation) For the following functions of r (defined explicitly or implicitly), find the derivative with respect to r. a) xy - cos(ry) = 1 b) 3x2 + 4xy' = ry c) y = (cos x) 3. 130