Wrong Information provided
Asked by | 13th Feb, 2010, 07:11: PM
Expert Answer:
In case of confusion please use,
cos(A-B) = cosAcosB + sinAsinB
cos(90-30) = cos90cos30 + sin90sin30
cos(90-30) = (0) + sin30
cos 60 = sin 30 = 1/2
Regards,
Team,
TopperLearning.
Answered by | 13th Feb, 2010, 08:07: PM
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