Q. 1 A4.4( 5 Votes )

Evaluate each of the following:


Answer :

The value of sin is


The question becomes sin–1


Let sin–1 = y


sin y =


= sin


The range of principal value of sin–1 is and sin


Therefore, the value of sin–1(sin) is .


Alternate Solution:


sin–1(sin x) = x


Provided x ϵ


we can write sin–1(sin) =


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