Question

14 and 15, please. I don’t really understand.

Answer 1

14) 9.2 15) 12.9

Explanation:

14) cos(52) = x/15

x = 15cos(52)

x = 9.2349

x = 9.2

15) cos(22) = 12/x

x = 12/cos(22)

x = 12.9424

x = 12.9