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$$ cot\ {π\over 20}\ cot{3π\over 20} \cot{5π\over20}\ cot{7π\over 20}\ cot {9π\over20}$$ का मान होगा।
5Q:
$$ cot\ {π\over 20}\ cot{3π\over 20} \cot{5π\over20}\ cot{7π\over 20}\ cot {9π\over20}$$ का मान होगा।
- 1-1false
- 2$$ {1\over 2}$$false
- 30false
- 41true
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