if a = 2pie/7, then S = (sin a + sin 2a + sin 3a) which can be represent by (root p)/q. Find p+q ?
if a = 2pie/7, then S = (sin a + sin 2a + sin 3a) which can be represent by (root p)/q. Find p+q ?
Tirthesh Vadera , 8 Years ago
Grade 11
Trigonometry> if a = 2pie/7, then S = (sin a + sin 2a +...
1 Answers
Saurabh Koranglekar
Last Activity: 6 Years ago
please refer
https://www.askiitians.com/forums/Trigonometry/if-a-2-7-find-sina-sin2a-sin4a-in-therms-of_148501.htm
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