By using MATLAB please solve Q3 & Q4I fixed it

3. Write the syntax for user defined function that calculates the surface area and volume of a sphere given a 4 certain radius. Name the function sphere. (Hint: A=4&r? and V = ar) (Comment out function syntax) 3 ar' 4. The Taylor series representation of cos(x) is given by: cos(x) = -(-1)"x2" N=0 (2n)! Write MATLAB syntax for a script that would calculate the series for a user inputted value of x and number of terms using a for loop. 5. Repeat (4) using a while loop