CBSE Class 10 Answered
Evaluate the following:
Asked by Annette | 03 Oct, 2009, 01:28: PM
Expert Answer
x = acos3B; y = asin3B
x/a = cos3B; y/a = sin3B
(x/a)2/3 + (y/a)2/3 = (cos3B)2/3 + (sin3B)2/3................{ (xy)z = xyz }
= cos2B + sin2B = 1
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Answered by | 03 Oct, 2009, 08:23: PM
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