proove that: sin.sin(60-A)sin(60+A)=1/4.sin3A?
Asked by Sindhura K Reddy
| 12th Aug, 2010,
12:00: AM
Expert Answer:
Dear Student
Here is the solution of your question
Consider LHS = sinA. sin(60-A)sin(60+A)=
Answered by
| 13th Aug, 2010,
09:51: AM
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