Cos 1-cos 2-cos 3-cos 180- is equal to

The correct option is C 0 0 (∵ cos 90^∘ = 0) ...

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Applications of Dot Product

cos 1∘×cos 2∘...

Question

cos $1^{\circ}$ $\times$ cos $2^{\circ}$ $\times$ cos $3^{\circ}$ $\times$ …….. $\times$ cos $180^{\circ}$ is equal to _________ .

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(1/2)

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-1

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$cos 1^{\circ} . cos 2^{\circ} . cos 3^{\circ} \dots \dots . . cos 180^{\circ}$ is equal to:

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The value of cos 1° cos2° cos 3° ...........cos 180° is

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