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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- March 11th 2013, 01:12 AM #1

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- March 11th 2013, 02:24 AM #2

- March 12th 2013, 01:54 AM #3

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