Verify the identity:

cos(a+b)/cos a sin b = cot b -tan a

1. what is the formula for finding the vertical distance between two points on a coordinate plane?

Lindsay used two points, (x,y; ) and (+2.82), to find the equation of the line, y = mx + b, that passes through the points. y2-y, first, she used the definition of slope and determined that the value of mis x, - . given this information, which expression must represent the value of b?

What is the base of 1/9 to the power of 2