1. cot -11π/6 is equals to





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  • By: anil on 05 May 2019 02.17 am
    Expression : cot -11π/6 $$ecause cot(-x) = -cot (x)$$ = $$-cot(frac{11pi}{6})$$ = $$-cot(2pi - frac{pi}{6})$$ = $$-[-cot(frac{pi}{6})] = cot(frac{pi}{6})$$ = $$sqrt{3}$$ => Ans - (D)
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