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Evaluate each of the following:
As cos–1(cos x) = x
Provided x ϵ [0,π]
∴ we can write cos–1(cos 3) as 3.
sin–1 (sin 2)
tan–1 (tan 1)
tan–1 (tan 2)
tan–1 (tan 4)
tan–1 (tan 12)
Write each of the following in the simplest form: