consider 15 roots of unity z1,z2,z3,z4,z5,z6,z7,z

Question

consider 15 roots of unity z1,z2,z3,z4,z5,z6,z7,z8,z9,Z10,z11,z12,z13,z14then arg((1+z1+z2+z3+z4+z5+z6+z7)/(1+z8+z9+Z10+z11+z12+z13+z14))=?

Irshad Syed · Accepted Answer

21 - (2) isin (2) ) دما - 22 (7) + i sin + i sin (17) 280 | i sin + (29 د - 217 (1 sin 2) ما 201 010 ( 1+ 2 + 22 + - -- 21 /+ 7 9+ 2 ۹۴ -- 2/1 ۵۲۹ [+ 2+ Z+-- 71 2arg( 2) . 2 010 /4 24 4 2 2 + - . 21) - arg (h Zat.. )T CATE 2arg -- 27). 2arg & 4 cos 20+ Cos40 + -- + i ( sin20+ sin 40+ ... sin 140) + 2arg & sin 80 cos (2+140) + sin(70). sin sing sin/20+140 Sin 80 (Los 10+ irin 70) sin 10 2x70. 14π/15

Trigonometry> consider 15 roots of unity z1,z2,z3,z4,z5...

consider 15 roots of unity z1,z2,z3,z4,z5,z6,z7,z8,z9,Z10,z11,z12,z13,z14then arg((1+z1+z2+z3+z4+z5+z6+z7)/(1+z8+z9+Z10+z11+z12+z13+z14))=?

Mohith , 4 Years ago

Irshad Syed

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Trigonometry> consider 15 roots of unity z1,z2,z3,z4,z5...

consider 15 roots of unity z1,z2,z3,z4,z5,z6,z7,z8,z9,Z10,z11,z12,z13,z14then arg((1+z1+z2+z3+z4+z5+z6+z7)/(1+z8+z9+Z10+z11+z12+z13+z14))=?

Mohith , 4 Years ago

Irshad Syed

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In ABC, if cot A+cot B+cot C = cosecA cosecB cosecC, then prove that ABC is right angle triangle.

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