##### Evaluate each of the following:sin–1(sin3)

sin–1(sin x) = x

Provided x ϵ ≈ [–1.57,1.57]

And in our equation x is 3 which does not lie in the above range.

We know sin[π – x] = sin[x]

sin(π – 3) = sin(3)

Also π–3 belongs in

sin–1(sin3) = π–3

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