If A + B = 45 Prove that (cotA - 1)(cotB - 1) = 2
if a+b=45 prove that (cota-1)(cotb-1)=2
If A + B = 45^o , then ( cotA - 1 ) ( cotB - 1 ) = m .Find m.
Prove that a+b=45° then(cotA-1)(cotB-1)=2
If A+B = π/4 then prove that (cotA-1) (cotB-1) =2.
If A+B=45 the [cotA-1 ][cotB-1] is a).1 b). ½ c). -1 d). -2 d). 2
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