`If TanA + TanB = p and CotA + CotB = q then Cot(A+B) =`

If tanA+tanB=a and cotA+cotB=b then show that cot(A+B)=1/a-1/b

If tanA-tanB=x and cotB-cotA=y , then cot(A-B)=?

If tanA+tanB=a and cotA+cotB=b prove that cotA cotB= b/a

if cotA=5/7 and cotB=7/5 then cot(A+B) =?

If tanA+tanB=a and cotA+cotB=b.Prove that cot(A+B)=1/a-1/b

Select the correct options from the given alternatives.If tanA-tanB=x and cotB-cotA=y then cot(A-B)= ……….

If tanA-tanB=x and cotB-cotA=y , then cot(A-B) . is equal to (i) 1/y-1/x (ii) 1/x-1/y (iii)1/y+1/x (iv) 1/(x+y)