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Trignometry

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 Joined: 31 Mar 2012 Post: 7
31 Mar 2012 13:14:49 IST
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what is mean by sinx
Engineering Entrance , JEE Main , JEE Main & Advanced , Mathematics , Trigonometry

what is mean by sinx

Blazing goIITian

Joined: 8 Oct 2008
Posts: 8064
31 Mar 2012 17:18:34 IST
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sin(theta) = a / c

Given Triangle abc, with angles A,B,C; a is opposite to A, b oppositite B, c opposite C:

a/sin(A) = b/sin(B) = c/sin(C) (Law of Sines)

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Joined: 7 Apr 2012
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7 Apr 2012 15:59:34 IST
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sin is a trigometrical ratio and x is a variable

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7 Apr 2012 16:15:51 IST
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well, in right angle triangle ABC and a given angle BAC=@, the ratio of the length of perpendicular and the length of hypotenuse is called the sine of that angle @. i.e. sin@=prpndclr/hyptnse.

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