Q: The value of $$ cot\ {π\over 20}\ cot{3π\over 20} \cot{5π\over20 – McqOptions

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1.	Q: The value of $$ cot\ {π\over 20}\ cot{3π\over 20} \cot{5π\over20}\ cot{7π\over 20}\ cot {9π\over20}$$ is:
A.	-1
B.	$$ {1\over 2}$$
C.	0
D.	1
Answer» E.

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