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  1. Top | #1

    ÊÇÑíÎ ÇáÊÓÌíá
    Jan 2012
    ÑÞã ÇáÚÖæíÉ
    4619
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    ãÏÑÓ
    ãÚÏá ÇáãÔÇÑßÇÊ
    0.00
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    6
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    Post ÇáÊÞÑíÈ ÈæÇÓØÉ ãÈÑåäÉ ÇáÞíãå ÇáãÊæÓØå

    ÚáÇÁ ÇáÑßÇÈí
    ÇÑÓá Çáíßã ãÔÇÑßÊí ãÚ ÇáÍá
    Ó/ÌÏ ÈÕæÑå ÊÞÑíÈíå æÈÃÓÊÎÏÇã ãÈÑåäÉ ÇáÞíãå ÇáãÊæÓØå 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
    ãÚ ÇáÊÞÏíÑ ÇáÇÓÊÇÐ ÚáÇÁ åÏÇÈ ÇáÑßÇÈí

  2. Top | #2

    ÊÇÑíÎ ÇáÊÓÌíá
    Aug 2011
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  3. Top | #3

    ÊÇÑíÎ ÇáÊÓÌíá
    Jan 2012
    ÑÞã ÇáÚÖæíÉ
    4619
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    ãÏÑÓ
    ãÚÏá ÇáãÔÇÑßÇÊ
    0.00
    ÇáãÔÇÑßÇÊ
    6
    Thanked: 0
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