[" यदि "A+B=45^(@)," तो सिद्ध कीजिए कि : "],[qquad (cot A-1)(cot B-1)=2]

If A + B= pi/4 , show that (cot A-1) (cot B-1) =2

If A+B=(pi)/(4), show that (cot A-1)(cot B-1)=2

1. If A+B=(pi)/(4), show that (cot A-1)(cot B-1)=2

If A+B=45^(circ) , prove that (cot A-1)(cot B-1) = 2

यदि triangleABC में (If इन triangleABC), a = (1)/(sqrt(6)-sqrt(2)), b = (1)/(sqrt(6)+sqrt(2)), C = 60^(@) तो सिद्ध कीजिए कि (Prove that) c = (sqrt(4))/(2) .

If A + B = 45^(@), " then " (cot A - 1) ( cot B - 1) is

सिद्ध कीजिए कि 2tan^(-1)sqrt((b)/(a))=cos^(-1)((a-b)/(a+b))

If A+B=(pi)/(4), prove that: (1+tan A)(1+tan B)=2(cot A-1)(cot B-1)=2