Please answer correctly

What are correct trigonometric ratios that could be used to determine the length of ln

In triangle opq right angled at p op=7cm,oq-pq=1 determine the values of sinq and cosq

Consider the functions below. function 1 function 2 function 3 select the statement which is true about the functions over the interval [1, 2] a b function 3 has the highest average rate of change function 2 and function 3 have the same average rate of change. function and function 3 have the same average rate of change function 2 has the lowest average rate of change d.