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30-10-2022
Mathematics

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Which expression is equivalent to sqrt 1-cos(10x) / 2

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JnylaD59294 JnylaD59294

30-10-2022

The expression is

[tex]\sqrt[]{\frac{1-\cos (10x)}{2}}[/tex]

Using the half angle formula:

[tex]\sin \frac{\theta}{2}=\pm\sqrt[]{\frac{1-\cos \theta}{2}}[/tex]

If θ=10x then we can replace it in the formula:

[tex]undefined[/tex]

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