যদি α এবং β ধনাত্মক কোণ হয় যেমন , তাহলে (1 + tan α) (1 + tan β) এর মান কত?

  1. 0
  2. 1
  3. 2
  4. 3

Answer (Detailed Solution Below)

Option 3 : 2
Free
NDA 01/2025: English Subject Test
30 Qs. 120 Marks 30 Mins

Detailed Solution

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ধারণা:

 

গণনা:

প্রদত্ত, α এবং β হল ধনাত্মক কোণ যেমন ,

সুতরাং, α এবং β যদি ধনাত্মক কোণ হয় যেমন , তাহলে (1 + tan α) (1 + tan β) 2 এর সমান।

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