To find the sum sin^(2) ""(2pi)/(7) + sin^(2)""(4pi)/(7) +sin^(2)""(8pi)/(7), we follow the following method. Put 7theta = 2npi, where n is any integer. Then " " sin 4 theta = sin( 2npi -
How can find the value of sin 2pi/7 + sin 4pi/7 +sin 8pi/7? - Quora
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![Chemo- and Diastereoselective Cycloisomerization/[2 + 3] Cycloaddition of Enynamides: Synthesis of Spiropyrazolines as Potential Anticancer Reagents | The Journal of Organic Chemistry](https://pubs.acs.org/cms/10.1021/acs.joc.3c00533/asset/images/acs.joc.3c00533.social.jpeg_v03 "Chemo- and Diastereoselective Cycloisomerization/[2 + 3] Cycloaddition of Enynamides: Synthesis of Spiropyrazolines as Potential Anticancer Reagents | The Journal of Organic Chemistry")
Chemo- and Diastereoselective Cycloisomerization/[2 + 3] Cycloaddition of Enynamides: Synthesis of Spiropyrazolines as Potential Anticancer Reagents | The Journal of Organic Chemistry
To find the sum sin^(2) ""(2pi)/(7) + sin^(2)""(4pi)/(7) +sin^(2)""(8pi)/(7), we follow the following method. Put 7theta = 2npi, where n is any integer. Then " " sin 4 theta = sin( 2npi -
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The value of Sin 2π/7+sin4π/7+sin8π/7 is a)√7/8 b) 1/8 c) √7/2 d)-√7/2 - askIITians
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Prove that: sinpi/7+sin(2pi)/(7) + sin(8pi)/7 + sin(9pi)/7=0
show that `sin (2pi/7) + sin(4 pi/7) + sin (8 pi/7) = sqrt7/2` - YouTube
