यदि α और β धनात्मक कोण हैं जिससे है, तो (1 + tan α) (1 + tan β) किसके बराबर है?

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

Answer (Detailed Solution Below)

Option 3 : 2
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संकल्पना:

 

गणना:

दिया गया है, α और β धनात्मक कोण हैं जिससे   है। 

अतः यदि α और β धनात्मक कोण हैं जिससे  है, तो (1 + tan α) (1 + tan β), 2 के बराबर है। 

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