Grade 11Trigonometry
(2cosA-1)(2cos2A-1)(2cos4A-1)........(2cos2^n-1 A-1)=2cos2^n A+1/2cosA+1
1 Answer
Saurabh Koranglekar
Dear student
Please tell what is to be done in question
Regards
Please tell what is to be done in question
Regards
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