If x+Y+z=π then cot x/2 +cot y/2+cot z/2 will be equal to – McqOptions

MCQOPTIONS

1.	If x+Y+z=π then cot x/2 +cot y/2+cot z/2 will be equal to
A.	Tan x/2×tan y/2×tan z/2
B.	cos x/2×cos y/2×cos z/2
C.	cot x/2×cot y/2×cot z/2
D.	None of the above
Answer» D. None of the above

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