STATEMENT 1 : On the interval `[(5pi)/4,(4pi)/3]dot` the least value of the function `f(x)=int_((5x)/4)^x(3sint+4cost)dti s0` STATEMENT 2 : If `f(x)` is a decreasing function on the interval `[a , b],` then the least value of `f(x)` is `f(b)dot`