#Calc 1 inverse trig derivative problem
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What do you mean, "the question probably doesn't want you to solve it that way"?
it's just I think my solution isn't very "structured" I guess?
i think it wants me to use the actual derivative
like i did in the first img (used chain rule to get -sin u *du/dx , where du/dx = 1/√(1-x^2) and u=arcsin x)
The "actual derivative" of what?
of cos (arcsin x)
sorry if I wasnt clear, the question wants me to prove cos (arcsin x) =√(1-x^2) using derivatives
Then... differentiate them both.
The idea is that if df/dx = dg/dx, then f(x) = g(x) + c.
Per the fundamental theorem of calculus.
Or probably some lesser theorem.
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