I am having trouble with this question please help

Show that arctan(x) = arccos(1/(√(1+x^{2})))= arcsin(x/(√(1+x^{2}))

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- Mar 11th 2013, 12:12 AMcalmo11Need help with this question arctan...
I am having trouble with this question please help

Show that arctan(x) = arccos(1/(√(1+x^{2})))= arcsin(x/(√(1+x^{2})) - Mar 11th 2013, 01:24 AMProve ItRe: Need help with this question!!!

Now follow a similar process for the second part. - Mar 12th 2013, 12:54 AMcalmo11Re: Need help with this question!!!
Thankyou very much, helped me out perfectly