Which of the following is equivalent to log750 rounded to three decimal places?

2.010

1.772

0.854

0.497

Find the measure of the interior angles of the following regular polygons: a triangle, a quadrilateral, a pentagon, an octagon, a decagon, a 30-gon, a 50-gon, and a 100-gon.

How many different three-digit numbers can be formed using the digits 1 comma 2 comma 9 comma 6 comma 4 comma 3 comma and 8 without repetition? for example, 664 is not allowed.

If cos(2x) = tan^2(y), show that cos(2y) = tan^2(x).