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S=cos(2pi/28)csc(3pi/28)+cos(6pi/28)csc(9pi/28)+cos(18pi/28)csc(27pi/28) Find the value of S plz ASAP

S=cos(2pi/28)csc(3pi/28)+cos(6pi/28)csc(9pi/28)+cos(18pi/28)csc(27pi/28)
Find the value of S plz ASAP

Grade:11

1 Answers

Anish Singhal
askIITians Faculty 1192 Points
5 years ago
Is answer zero?

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