matlab plz

5. [3 pts) 6. [6 pts] Find the cosine of 45 a. Convert the angle from degrees to radians, and then use the cos function. b. Use the cosd function. Consider the following matrix: 4 90 85 757 255 65 75 3 78 82 79 1 84 92 93 1. What is the maximum value in each column? 2. In which row does that aximum occur? 3. What is the maximum value in each row? (You'll have to transpose the matrix to answer this question.) 4. In which column does the maximum occur? 5. What is the maximum value in the entire table