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yarga [219]
3 years ago
5

Cos(2pi/28)cosec(3pi/28)+cos(6pi/28)cosec(9pi/28)+cos(18pi/28)cosec(27pi/28)=0

Mathematics
1 answer:
Zielflug [23.3K]3 years ago
7 0
Sorry, I cannot answer this as this is a question I don't understand. You are pretty High-Tech BTW.
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Suppose that triangle TUV is an isosceles with the base VU.
vekshin1
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