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If (cot?+tan?)=m and (sec?-cos?)=n,prove that-(m^2n)^2/3-(mn^2)^2/3=1

Asked by Aditya Chakravarty 16th September 2013, 4:50 PM
Answered by Expert
Answer:
Answered by Expert 18th September 2013, 9:22 AM
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