Question
Cos 1∘ × cos 2∘ × cos 3∘ ×……..× cos 180∘ is equal to:
Answer: Option B
:
B
We know that, cos90∘=0
The given expression
cos1∘ × cos2∘ × cos3∘ ×....× cos90∘ ×……..× cos180∘ reduces to zero as it containscos90∘ which is equal to 0.
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:
B
We know that, cos90∘=0
The given expression
cos1∘ × cos2∘ × cos3∘ ×....× cos90∘ ×……..× cos180∘ reduces to zero as it containscos90∘ which is equal to 0.
Was this answer helpful ?
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