The value of $c o s 1^{\circ} \times c o s 2^{\circ} \times c o s 3^{\circ} \times . . . . . . . \times c o s 179^{\circ}$ is:

\frac{1}{\sqrt{2}}

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Solution

The correct option is A $0$
$cos 1 ° cos 2 ° cos 3 ° . . . . . . . . cos 179 °$
$= 0$ $[∵ cos 90 ° = 0]$
Hence, the answer is $0.$

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Similar questions

\cos 1 ° \cos 2 ° \cos 3 ° . . . \cos 179 °

\frac{1}{\sqrt{2}}

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The value of $c o s 1^{\circ} c o s 2^{\circ} c o s 3^{\circ} . . . . c o s 179^{\circ}$ is

c o s 1^{0} + c o s 2^{0} + c o s 3^{0} + . . . . . . . + c o s 179^{0} =

cos 1^{\circ} + cos 2^{\circ} + cos 3^{\circ} + . . . . + cos 179^{\circ}

cos 1^{\circ} + cos 2^{\circ} + cos 3^{\circ} + . . . . + cos 179^{\circ}

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