Question

π π
then log sec x =
25. If xe
2
2
(a) 2 cosech-'cot?
X Х
-1
2
X Х
+ 1
(b) 2 cosech-cot?
2
2
1
(C) 2 coth-' cosec
2
- 2 X
(d) 2 coth-cosec +1
2
1
23 을​

Answer 1

Answer:

Plz write ur question clearly and properly