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  1. Top | #1

    Jan 2012
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    / sin⁡〖31〗
    Solution:-
    Let f(x)=sin⁡x
    f^- (x)=cos⁡x
    b=〖31〗^= 31π/180
    a=〖30〗^( )= (30π )/180=π/6
    h=b-a=(22/7)/180=0.0174
    f(a)=f(π/6)=sin⁡〖π/6〗=1/2=0.5
    f^- (a)=f^- (π/6)=cos⁡〖π/6=√3/2〗=0.866
    f(a+h)=f(a)+hf^- (a)
    f(31π/180)=f(π/6)+hf^- (π/6)
    f(〖31〗^ )=0 .5+(0.0174 )(0.866)
    sin⁡〖〖31〗^ 〗=0.5+0.015
    sin⁡〖〖31〗^ 〗=0.515

  2. Top | #2

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  3. Top | #3

    Jan 2012
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