Math, asked by vkp2580369, 1 year ago

16cos2π/15cos4π/15cos8π/15cos14π/15= ?

Answers

Answered by amarjeet71307

2

16cos2π/15cos4π/15cos8π*15/15cos14π
16cos2π/15cos4π/60/7
16cos2π/15cos4π*7/60
16cos2π*60/15cos4π*7
16*2*60/15*4*7
1920/420

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