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
Hero Lal , 6 Years ago
Grade 11
Trigonometry> S=cos(2pi/28)csc(3pi/28)+cos(6pi/28)csc(9...
1 Answers
Anish Singhal
Last Activity: 6 Years ago
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