What is the value of 8 cos 10° ⋅ cos 20° ⋅ cos 40°? – McqOptions

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1.	What is the value of 8 cos 10° ⋅ cos 20° ⋅ cos 40°?
A.	tan 10°
B.	cot 10°
C.	cosec 10°
D.	sec 10°
Answer» C. cosec 10°

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