cos 1° cos 2° cos 3° … cos 179° have the value ___

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cos 1° cos 2° cos 3° … cos 179° have the value ____

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Detailed Solution

cos 1° cos 2° cos 3° … cos 179°
cos 1° cos 2° cos 3° … cos 179°
= cos 1° cos 2° cos 3° … cos 89° cos 90° cos 91° … cos 179°
= cos 1° cos 2° cos 3° … cos 89° (0) cos 91° … cos 179°
= 0
Since cos 90° has a value of 0, it is 0.
Hence, Option 2 is the correct answer.

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