The simplest form of cot-1\(\left(\frac{1}{\sqrt{x^{2}-1}}\right)\), x >1 is: (1)
A. tan-1x
B. sec-1x
C. cosec-1x
D. sin-1x
Answer:B
The simplest form of cot-1\(\left(\frac{1}{\sqrt{x^{2}-1}}\right)\), x >1 is: (1)
A. tan-1x B. sec-1x C. cosec-1x D. sin-1x