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Need the solution to the below problemCos(a)cos(2a)cos(4a) in terms of cos(3a)

Need the solution to the below problemCos(a)cos(2a)cos(4a) in terms of cos(3a)

Grade:12th pass

1 Answers

Saurabh Koranglekar
askIITians Faculty 10336 Points
3 years ago
Dear student

I have solved the problem partially, hope you can solve further
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