The value of \cot 15^{\circ} \cot 20^{\circ} \cot 70^{\circ} \cot | Filo
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Class 11

Math

Calculus

Trigonometric Functions

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The value of is equal to

Correct Answer: Option(c)
Solution: The value of is


Now and    ....................... 

Therefore, the given expression can be written as 

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