hey guys

how exactly do i prove inverse tan 4 - inverse tan 3/5 = pi/4

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- October 24th 2009, 10:05 PMxwrathbringerxinverse trig functions
hey guys

how exactly do i prove inverse tan 4 - inverse tan 3/5 = pi/4 - October 24th 2009, 11:57 PMmr fantastic