If cotA + cotB = x, then value of x is – McqOptions

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1.	If cotA + cotB = x, then value of x is
A.	(cotAcotB + 1)/(cotB - cotA)
B.	(cotAcotB + 1)/(cotB + cotA)
C.	(cotAcotB - 1)/(cotB + cotA)
D.	(cotAcotB - 1)/(cotB - cotA)
Answer» D. (cotAcotB - 1)/(cotB - cotA)

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