Evaluate the definite integral: \int_0^{\frac{π}{4}} (9e^x - 5\sec(x)\tan(x)) \, dx

A. Evaluate the definite integral: \int_0^{\frac{π}{4}} (9e^x - 5\sec(x)\tan(x)) \, dx
B. Find the value of the definite integral: \int_0^{\frac{π}{4}} (9e^x - 5\sec(x)\tan(x)) \, dx
C. Calculate the definite integral: \int_0^{\frac{π}{4}} (9e^x - 5\sec(x)\tan(x)) \, dx
D. Determine the value of the definite integral: \int_0^{\frac{π}{4}} (9e^x - 5\sec(x)\tan(x)) \, dx