Question #0a663

1 Answer
mason m
Sep 3, 2017

#lim_(xrarr0)cos^-1(1-x)=0#

Explanation:

I'm assuming the question is:

#lim_(xrarr0)cos^-1(1-x)#

We can directly substitute #1# for #x#:

#=cos^-1(1-0)=cos^-1(1)#

This is the angle where #cos(theta)=1#, which is at #theta=0#.

#=0#

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