Prove that
Submitted by alpha on Mon, 04/21/2008 - 04:59.
{(1+tan^2A)/(1+cot^2A}={(1-tanA)/(1-cotA)}^2=tan^2A
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Prove that
Submitted by alpha on Mon, 04/21/2008 - 04:59.
{(1+tan^2A)/(1+cot^2A}={(1-tanA)/(1-cotA)}^2=tan^2A |