Question 7 of 20 > This test: 20 point(s) possible This question: 1 point(s) possible Use a right triangle to write the following expression as an algebraic expression. Assume that x is positive and that the given inverse trigonometric function is defined for the expression in x. cos sin ( cos sin X (Type an exact answer, using radicals as needed.) S Calculate the derivative. y = sin 8x In (sin 28x) y' = (Use parentheses to clearly denote the argument of each function.) Question 5 of 20 >