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estudier

  • 3 years ago

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

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  1. ParthKohli
    • 3 years ago
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    Use half angle identity ten times. :D

  2. sauravshakya
    • 3 years ago
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    |dw:1350739253549:dw|

  3. estudier
    • 3 years ago
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    What if denominator is zero?

  4. sauravshakya
    • 3 years ago
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    1

  5. sauravshakya
    • 3 years ago
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    As cos(0)=1

  6. estudier
    • 3 years ago
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    1 or -1, I think...

  7. estudier
    • 3 years ago
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    Anyway, good answer, very quick:-)

  8. sauravshakya
    • 3 years ago
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    Denominator is 0 means sin(x/1024) =0 => x = 0 , 1024*pi , ...

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