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Prove that sin π/7+ sin 9π/7+ sin 2π/7+sin 8π/7=0If tan teta+tan (60- teta)+tan(120-teta)=3Prove that 3tan teta - tan square teta divided by 1-3tan square teta=1

Kuyil kannamma , 7 Years ago
Grade 11
anser 1 Answers
Deepak Kumar Shringi

Last Activity: 6 Years ago

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