1. cosX = 15/17 2. cosA = 15/25 = 3/5 3. cosX = 36/45 = 4/5 4. tanZ = 35/12 5. sinX = 28/35 6. sinZ = 36/45 = 4/5 7. tanZ = 30/40 = 3/4 8. sinX = 48/14 = 24/7 These are the answers. If you want to know what is sin, cos, and tan, I can write to you by a message. Good luck!