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मान ज्ञात कीजिए - `cot^(-1)(-sqrt(3))` |
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Answer» मान `cot^(-1)(-sqrt(3))=theta , pi//2 lt theta lt pi` `implies cot theta=-sqrt(3)=cot""(5pi)/(6)implies theta =(5pi)/(6)` ` :. cot^(-1)(-sqrt(3)) "का मुख्य मान "=(5pi)/(6)` |
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