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sin x _____ x

sin x


_____


x

Grade:12

3 Answers

Sonaal Pathlai Pradeep
23 Points
8 years ago

-cos x 

sushant subhash rajbhar
17 Points
8 years ago

its sinx divide by x!!!!   not only sin x

Ashtik Mahapatra
30 Points
8 years ago

Using Taylor Series, we can write

 

sinx = x - x^3/3! + x^5/5! - ......

 

So, sinx/x = 1 - x^2/3! + x^4/5! - x^6/7! + x^8/9! - .....

 

Integrating we get:  x - x^3/3*3! + x^5/5*5! - x^7/7*7! + x^9/9*9! - ...

Writing this out in summation form, it is: Summation (i = 1 to infinity) (-1)^(i-1)x^(2i-1)/{(2i-1)(2i-1)!}

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