Question

prove cot(15/2)=√2+√3 +√4 +√6

Answer 1

Best Answer:  cot(15/2)° 
= cos(15/2)° / sin(15/2)° 
= 2cos^2 (15/2)° / 2sin(15/2)° cos(15/2)° 
= (1 + cos15°)/sin15° 
Plugging cos15° = (1/4) (√6 + √2) and sin15° = (1/4) (√6 - √2) 
= [1 + (1/4) (√6 + √2)] / [(1/4) (√6 - √2)] 

Answer By Ayush...

Answer 2

Step-by-step explanation:

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