Again, i had mono and got behind...thank you Smplify the expression for f(x): 1. f(x) = sin(cos^-1(x) + sin^-1(x)) 2. f(x) = tan(pi + sin^-1(x)) sorry, i am not good at typing math...thanks for all your help
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1. Easily done using the identities: ============ Let and let 2. Recall that and ============== Let Simply replace and you're done.
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