((1-tan A)/(1- cotA))^(2) = (1+tan^(2)A)...

`((1-tan A)/(1- cotA))^(2) = (1+tan^(2)A)/(1+cot^(2)A) = tan^(2)A`

((1-tan A)/(1- cotA))^(2) = (1+tan^(2)A)/(1+cot^(2)A) = tan^(2)A
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Prove that 1+tan A tan((A)/(2))=tan A cot((A)/(2))-1=sec A
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1+tan A tan((A)/(2))=tan A cot((A)/(2))-1=sec A
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((1+tan^2A)/(1+cot^2A))=((1-tanA)/(1-cotA))^2=tan^2A
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(sin+tan^(2)A)/(1+cot^(2)A)=((1-tanA)/(1-cotA))^(2)=tan^(2)A.
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1+ tan A tan .(A)/(2)= tan A cot (A)/(2) -1 =sec A
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सिद्ध कीजिए : (1+tan^(2)A)/(1+cot^(2)A)=((1-tanA)/(1-cotA))^(2)
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सिद्ध कीजिए कि (1+tan^(2)A)/(1+cot^(2)A) = ((1-tan A)/(1- cot A))^(2) ...
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Prove that (1+tan^(2)A)/(1+cot^(2)A)=((1-tan A)/(1-cot A))^(2)=tan^(2)...
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