Question

1 1 15. 2 cot2 sec 0-1 sec +1 16



. (1 - cos2 e) cosec2 0 = 1. 17. cos2 0.cosec 0 + sin 0 = cosec​

Answer 1

Answer:

1 1 15. 2 cot2 sec 0-1 sec +1 16

. (1 - cos2 e) cosec2 0 = 1. 17. cos2 0.cosec 0 + sin 0 = cosec