identity problem
Asked by vshrikanth | 1st Sep, 2010, 12:20: PM
Expert Answer:
(1 - cos x)2 = 1 - 2cos x + cos2x = sin2x + 2cos2x - 2cos x = sin2x + 2cos x(cos x - 1).
Regards,
Team,
TopperLearning.
Answered by | 1st Sep, 2010, 01:24: PM
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