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Answer to Question #11657 in Trigonometry for Avruti

Question #11657
prove that tan(60+A).tan(60-A)=2cos2A+1/2cos2A-1
1
Expert's answer
2012-07-12T08:34:36-0400
The answer to the question is available in the PDF file https://assignmentexpert.com/homework-answers/mathematics-answer-11657.pdf

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