Please help me to answer step by step. And write it down on paper.

4. Let U=(, %) beavector. 0 Find the magnitude of the vector U: o |U|=1 6 Determine the direction angle 3 of vector U , where 0 g 6 9 Find the direction angle a that 12 makes with the positive x-axis, correct to the nearest degree. Write each line of working as an equa ' Enter your next step here \f8' Consider the vectors U: 23' + 37' and V: 21' 61'. 9 Find the exact magnitude of vector U: o IUI=m 6 Find the exact magnitude of vector V: |V| = ' Enter your next step here 8c