यदि x = cos t, y = sin t है तो dy/dx का मान ज्ञात कीजिए। 

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  1. -tan t
  2. -cot t
  3. cot t
  4. tan t

Answer (Detailed Solution Below)

Option 2 : -cot t
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व्याख्या:

x = cos t 

t, के सापेक्ष अवकलन करने पर हमें प्राप्त होगा,

y = sin t

t, के सापेक्ष अवकलन करने पर हमें प्राप्त होगा,

इस प्रकार, 

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