Which of the following functions is equal to sin(90° - )? a. cot(90° - ) b. csc() c. csc(90° - ) d. cos()

Simplify (a/b - b/a) times (a - a^2/a+b) a - a^2/a=b is a mixed number

The figures below are made out of circles, semicircles, quarter circles, and a square. find the area and the perimeter of each figure and give your answers as a completely simplified exact value in terms of π (no approximations).

Which number completes the system of linear inequalities represented by the graph? y> 2x – 2 and x + 4y 2 et 2 3 4