What is cot 1° cot 23° cot 45° cot 67° cot 89° equal to? – McqOptions

MCQOPTIONS

1.	What is cot 1° cot 23° cot 45° cot 67° cot 89° equal to?
A.	0
B.	1
C.	½
D.	1/3
Answer» C. ½

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