Question
Question: \(\frac{\text{cosech}x}{\sqrt{\text{cosec}\text{h}^{2}x + 1}}\) equals....
cosech2x+1cosechx equals.
A
tanhx
B
cothx
C
sec⥂hx
D
coshx
Answer
sec⥂hx
Explanation
Solution
cosech2x+1cosechx=coth2xcosechx=cothxcosech x
=sinhxcoshxsinhx1=sech x.