Calculate the Iterated Integral $$\int _ { 0 } ^ { 1 } \int _ { 0 } ^ { y } 5 \cos \left( y ^ { 2 } \right) d x d y$$

Short Answer

Calculate the iterated integral.
$$\int _ { 0 } ^ { 1 } \int _ { 0 } ^ { y } 5 \cos \left( y ^ { 2 } \right) d x d y$$