If `tan^(-1)(1/5)=A` then find the value of `cotA`

If tan A=(a)/(a+1) and tan B=(1)/(2a+1) then find the value of A+B

If A+B=225^(@) , then find the value of (cotA)/(1+cotA)xx(cot B)/(1+cotB)

cos(tan^(-1)backslash(1)/(5)+cot^(-1)x)=0 then find the value of x

If 15 cotA = 8 , then find the value of cosec A .

If (tan46^(@)-tan1^(@)-1)(tan47^(@)-tan2^(@)-1)(tan48^(@)-tan30^(@)-1)...(tan89^(@)-tan44^(@)-1), then find the value of n.

If tanA=1 ,then find the value of sin^(2)A+cos^(2)A+cotA .

If tan^(5)thetatan^(5)5theta=1 , then find the value of tan^(4)3theta .

If tanA-tan B=x , and cot B-cotA=y , then find the value of cot(A-B) .

If tan theta+(1)/(tan theta)=2, find the value of tan^(2)theta+(1)/(tan^(2)theta)