What is the value of #\arcsin ( \sin ( 6) )#?

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Answer 1 · 2017-11-03T19:19:02

The value is #6#. See explanation.

The function #sinx# and #arcsinx# are inverse functions, and for any 2 inverse functions we have:

#f^{-1}(f(x))=x#

So the value of this expression is #6#.