Simplify cot(t) / csc(t) - sin(t) to a single trig function with no fractions

If wxyz is a square, which statements must be true? plz < 3

An 8 in circular power saw rotates at 5200 revolutions per minute

Cooper is studying two fractions that are both less than 1. the first fraction has a denominator of 4 and rounds to 1. the second fraction has a denominator of 6 and the same numerator as the first fraction. is the second fraction closest to 1, 1/2, or 1? explain