Solve ((((cos(2 * pi) / 14) cos(4 * pi)) / 14) cos(8

Evaluate

\frac{( \frac{( \frac{c o s ( 2 π )}{14} ) c o s ( 4 π )}{14} ) cos ( 8 π )}{14}

Calculate

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\frac{( \frac{( \frac{1}{14} ) c o s ( 4 π )}{14} ) cos ( 8 π )}{14}

Remove the unnecessary parentheses

\frac{( \frac{\frac{1}{14} c o s ( 4 π )}{14} ) cos ( 8 π )}{14}

Calculate

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\frac{( \frac{\frac{1}{14} \times 1}{14} ) cos ( 8 π )}{14}

Any expression multiplied by 1 remains the same

\frac{( \frac{\frac{1}{14}}{14} ) cos ( 8 π )}{14}

Divide the terms

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\frac{\frac{1}{196} cos ( 8 π )}{14}

Calculate

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\frac{\frac{1}{196} \times 1}{14}

Any expression multiplied by 1 remains the same

\frac{\frac{1}{196}}{14}

Multiply by the reciprocal

\frac{1}{196} \times \frac{1}{14}

To multiply the fractions,multiply the numerators and denominators separately

\frac{1}{196 \times 14}

Solution

\frac{1}{2744}

Alternative Form

\approx 0.000364

Calculate the value