Question #381f0

1 Answer
Jan 23, 2018

See below.

Explanation:

Let #sin^-1(x)=A#

Then #sinA=x#

#rarrcscA=1/sinA=1/x#

#rarrA=csc^(-1)(1/x)#

#rarrsin^(-1)x=csc^(-1)(1/x)#

No, we cannot write #sin^-1(x)=cscx# because #sin^-1(x)# is an angle whereas #cscx# is a ratio of hypotenuse to perpendicular.