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Simplify Cos x/2 * Cos x/4 * Cos x/8....Cos x/1024



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ParthKohli
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Use half angle identity ten times. :D

sauravshakya
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dw:1350739253549:dw

estudier
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What if denominator is zero?

sauravshakya
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1

sauravshakya
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As cos(0)=1

estudier
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1 or 1, I think...

estudier
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Anyway, good answer, very quick:)

sauravshakya
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Denominator is 0 means sin(x/1024) =0
=> x = 0 , 1024*pi , ...