Question

270
(V) tan-'x + 2cot-'x =
3
, *
x > 0
х
TT
(vi) cos-'x + sin
6
x-
(vii) tan-
(*+1)
+ tan-1
= tan-(-7)
X
х
+ tan!
2x-1
2x +1
(viii) tan
x+1
(1-x
23
tan-1
36
ix) 'tan
tan-' x, x > 0
(N.C​

Answer 1

Answer:

what is the meaning of ur question dude