Answer:
sin 16/20 = 0.717
cos 12/20 =0.825
tan
Explanation
A when you draw a line down you get 16 cause we are looking sin of A first
B inside the box when you draw a line up it point to 20
together you get sin 16/20 = 0.717
for the cos it is A to b in between them is the adj
which is 12
and a to c is 20 is the hypotenus
togther is cos 12/20 = 0.825