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sumit

· started a discussion

· 1 Months ago

yeah solution is right

Question:

  

Options:
A)

2

B)

23    

C)

3    

D)

-2

Solution:

Ans: (b)


Knowledge Expert

· commented

· 1 Months ago

Exact value of cot15 degrees is (2+root3)
x=(8root3+12)/(4+2root3)
Rationalizing
x=2toot3
Regards
TR

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