Grade 11Trigonometry
If a=π/15 than proved that cos2acos4acos8acos14a=1/16
If a=π/15 than proved that cos2acos4acos8acos14a=1/16
1 Answer
Rohan Das
Approved Tutor Answer5 Years agoIt`s easy, Just apply multiplication of cosine formula and just a little m
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