sin pie/7 + sin 2pie/7 + sin 3pie/7 = root7 / 8

Asked by Satyam Sharma | 7th Apr, 2013, 01:58: PM

Expert Answer:

Please check the question again. If you even just try to substitute the value of sin(pi/7) and sin(2pi/7) and sin(3pi/7) on the LHS and RHS, they don't match. 

Answered by  | 8th Apr, 2013, 03:29: AM

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