Trigonometric Ratios and Identities

Section: Mathematics
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Question : 53 of 64
 
Marks: +1, -0
The value of cos
Ï€
22
. cos
Ï€
23
. ... . cos
Ï€
210
, sin
Ï€
210
is :
[10 Jan 2019 Shift 2]
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