Determine the lowest positive root of f(x) = 7 sin(x) e* - 1: a) Graphically (Excel or Matlab) b) Use the False-Position Method (Chap. 5) (three iterations, x = 0, x = 0.5, BY HAND, function calculations by your choice of method) c) Using the Newton-Raphson method (three iterations, x = 0.3) (BY HAND, function calculations by your choice of method) d) Using the secant method (three iterations, x-1=0.5, x = 0.3) (BY HAND, function calculations by your choice of method) e) Using the modified secant method (three iterations, x = 0.3,6 = 0.01) (BY HAND, function calculations by your choice of method)