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Show that Cos(π/15) .Cos(2π/15) .Cos(4π/15). Cos(7π/15) = 1/16

Show that Cos(π/15) .Cos(2π/15) .Cos(4π/15). Cos(7π/15) = 1/16

Grade:11

1 Answers

Harsh Patodia IIT Roorkee
askIITians Faculty 907 Points
5 years ago
PFA
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