प्रश्न संख्या 6 से 10 के मान ज्ञात कीजिए:
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Step-by-step explanation:
मान ज्ञात कीजिए
= -
[ ∵cot(-θ) = - cotθ ]
= - cot ( )
= - cot(- )
[ ∵ cot2nπ±θ = cot(±θ)]
= cot
[ ∵cot(-θ) = - cotθ ]
= 1
[ ∵ cot = 1]
= 1
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