The value of cos 1° cos 2° cos 3° _______ cos 177° cos 178° cos 1 – McqOptions

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1.	The value of cos 1° cos 2° cos 3° _______ cos 177° cos 178° cos 179° is
A.	0
B.	1/2
C.	1
D.	\(\frac {1}{\sqrt2}\)
Answer» B. 1/2

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