![underset(nrarroo)"lim"[sin'(pi)/(n)+sin'(2pi)/(n)+"......"+sin'((n-1))/(n)pi] is equal to :](https://d10lpgp6xz60nq.cloudfront.net/ss/web/1423791.jpg "underset(nrarroo)\"lim\"[sin'(pi)/(n)+sin'(2pi)/(n)+\"......\"+sin'((n-1))/(n)pi] is equal to :")
underset(nrarroo)"lim"[sin'(pi)/(n)+sin'(2pi)/(n)+"......"+sin'((n-1))/(n)pi] is equal to :
Let n be a positive integer such that `sin(pi/2^n)+cos(pi/2^n)=sqrt n/2` ,then - YouTube
Wallis product - Wikipedia
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Evaluate sin{ n pi+(-1)^(n) (pi)/(4), where n is an integer.
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The Bell System technical journal . ) COS (f+ {popn-l + i!l^»-2 + /2/n-3 + + pn-lpo) □ Since / ^ sin ede = --- I $ J(/?,Jo P^ J vi
If I(n)=int(0)^(pi/2) sin^(x)x dx, then show that I(n)=((n-1)n)I(n-2). Hence prove that I(n)={(((n-1)/n)((n-3)/(n-2))((n-5)/(n-4))………(1/2)(pi)/2 ,"if",n"is even"),(((n-1)/n)((n-3)/(n-2))((n-5)/(n-4))………(2/3)1,"if",n"is odd"):}
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step-Four.html
Find the value of sin { npi + ( - 1)^npi/4 } , where n is an integer.
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Basel problem - Wikipedia
Content - Graphing the trigonometric functions
