Ill give its only one frickin question

Write the sine and cosine values of a, b, respectively, in the figure for (1) and (2) + explanation.

The function show two sisters' savings account and the rate at which they plan to deposit money

Abicycle training wheel has a radius of 3 inches. the bicycle wheel has a radius of 10 inches.approximately how much smaller, in square inches and rounded to the nearest hundredth, is the area of the training wheel than the area of the regular wheel? *