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प्रश्न
Select the correct option from the given alternatives:
The value of the expression cos1°. cos2°. cos3° … cos179° =
पर्याय
– 1
0
`1/sqrt(2)`
1
उत्तर
0
Explanation:
cos1° cos2° cos3° … cos179°
= cos1° cos2° cos3° ... cos90° … cos179°
= 0 ...[∵ cos90° = 0]
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