Can someone explain to me how the integral of 2cos^2(t)sin(t) dt =-(2/3)cos^3(t)

What is the ratio of the length of an object in yards to the length of the same object in miles?

Worth 15 points handsome jack is buying a pony made of diamonds. the price of the pony is p dollars, and jack also has to pay a 25% diamond pony tax. which of the following expressions could represent how much jack pays in total for the pony? a= p = 1/4 b= p+0.25p c=(p + 1/4)p d=5/4p 0.25p choose 2 answers

Asequence is a function whose is the set of natural numbers