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Question

If x = θcosθ – sinθ and y = θsinθ + cosθ, where 'θ' is a parameter, then dydx equals

यदि x = θcosθ – sinθ तथा y = θsinθ + cosθ, जहाँ 'θ' एक प्राचल है, तब dydx का मान है

A
–θtanθ
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B
θsinθ
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C
tanθ
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D
–cotθ
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Solution

The correct option is D –cotθ
Solution

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