यदि cos A = 9/41, तो cot A का मान ज्ञात कीजिए ?

Questions :

यदि cos A = 9/41, तो cot A का मान ज्ञात कीजिए ?

Options :

  • 41/40
  • 9/40
  • 40/9
  • 9/41

correct answer : b)

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