arccos and arcsin

Nikitin

Since acos(x) = ∫-1/√(1-x^2), and asin(x) = ∫1/√(1-x^2), won't ∫-1/√(1-x^2) = acos(x) = -1*asin(x)?

jedishrfu

arcsin x + arccos x = pi/2

so I think what you have is wrong, check again.

Nikitin

I doublechecked, but I still can't find my error..

Millennial

Nikitin, is there any chance that you are forgetting the constant of integration?

Nikitin

oops, yeh, true :p

sorry, I had a brainfart due to 3 weeks of exams

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Nikitin	arccos and arcsin Tweet Since acos(x) = ∫-1/√(1-x^2), and asin(x) = ∫1/√(1-x^2), won't ∫-1/√(1-x^2) = acos(x) = -1*asin(x)?

jedishrfu	arcsin x + arccos x = pi/2 so I think what you have is wrong, check again.

Millennial	arccos and arcsin Nikitin, is there any chance that you are forgetting the constant of integration?