CBSE Class 11-science Answered
convert the followin in terms of tanx
i)sin2x
ii)cos2x
Asked by vaishaliklr | 20 Aug, 2010, 12:00: AM
Expert Answer
Dear Student
Following is the solution of your question
Sin 2x =2sinx cosx= 
cos 2x = 2cos2x-sin2x = 
Answered by | 21 Aug, 2010, 10:29: AM
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