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x=3sinx. Find x.

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user8121921 | Student, Grade 10 | (Level 1) eNoter

Posted August 20, 2013 at 12:49 PM via web

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x=3sinx. Find x.

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aruv | High School Teacher | (Level 2) Valedictorian

Posted August 20, 2013 at 1:36 PM (Answer #1)

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Let define a function

`f(x)=3sin(x)-x`

Let us find the zero of the function f(x).The zer of f(x) wll be root of the equation f(x)=0 . Draw the graph of f(x)

 

From graph we observe zeros of f(x) are 0,-2.3,23

Thus roots of equation are  x=0,-2.3,2.3

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