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If a cos​​​​3 theta + 3a cos theta sin​​​​2 theta = m and a sin 3 theta + 3a sin theta cos 2 = n prove that (m+n ) 2/3 +( m-n) 2/3 = 2a 2/3

Answer» If a cos​​​​3 theta + 3a cos theta sin​​​​2 theta = m and a sin 3 theta + 3a sin theta cos 2 = n prove that (m+n ) 2/3 +( m-n) 2/3 = 2a 2/3


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