Free brainlist and 10 points if you answer 9+10

Based on the diagram, match the trigonometric ratios with the corresponding ratios of the sides of the triangle. tiles : cosb sinb tanb sincposs matches: c/b b/a b/c c/a

How to find the exponential function y=ca^x, with points (1,2) and (2,1)

Which spreadsheet would be used to compute the first nine terms of the geometric sequence a^n=32•(1/2)n-1