If a=π/15 than proved that cos2acos4acos8acos14a=1/16
Vinit Kumar Sharma , 4 Years ago
Grade 11
Trigonometry> If a=π/15 than proved that cos2acos4acos8...
1 AnswersRohan Das
Last Activity: 4 Years ago
It`s easy, Just apply multiplication of cosine formula and just a little m
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