I would like to know these answer of the questions.

1. [0/1 Points] DETAILS PREVIOUS ANSWERS OSCALC1 7.2.071. Use an identity to reduce the power of the trigonometric function to a trigonometric function raised to the first power. sin2(x) = sin (2x) X6. [-/1 Points] DETAILS OSCALC1 7.3.126. Simplify the expression by writing it using a single trigonometric function. 6 - 6 sin (0)1. [-11 Points] OSCALC1 7.3.131. Use the technique of completing the square to express the trinomial as the square of a binomial. 4x24x+1 8. [-/1 Points] DETAILS OSCALC1 7.3.134-153A.WA.TUT. Evaluate using trigonometric substitution. Refer to the table of trigonometric integrals as necessary. (Use C for the constant of integration.) dt (16tz + 9)29. [-/1 Points] DETAILS OSCALC1 7.3.134-153D.WA.TUT. Calculate the integral. (Use C for the constant of integration.) dx xV 16x4 - 1