A+B=135^(0)rArr(1-tan A)(1-tan B)=

If A+B=135^(@) then (1-tan A)(1-tan B)=

A+B=135^(@)rArr(1+cot A)(1+cot B)=

A+B=135^(@)rArr(1+cot A)(1+cot B)=

If A+B=(pi)/(2)rArr Tan A Tan B=1 , rArr Tan(A-B)=(tan A-tan B)/(1+tan A tan B)=(tan A-tan B)/(2) , rArr tan A=tan B+2tan(A-B) , (tan40^(@)+2tan10^(@))*(tan70^(@)-Tan20^(@))=

If A+B=(pi)/(2)rArr Tan A Tan B=1 , rArr Tan(A-B)=(tan A-tan B)/(1+tan A tan B)=(tan A-tan B)/(2) , rArr tan A=tan B+2tan(A-B) , x= Tan""(5 pi)/(28)+2Tan""(pi)/(7) Then x

if A+B=135^(@) then (tan A.tan B)/((1+tan A)*(1+tan B))=

A+B+C=0^(@)rArr tan A+tan B+tan C=

cos (AB) -3cos (A + B) rArr tan A tan B =

If A+B=45^(@) , then (1+ tan A)(1+ tan B) =__________

If A+B=45^(@) , then (1+ tan A)(1+ tan B) =__________