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Hasil dari adalah ...

Hasil dari begin mathsize 14px style limit as x rightwards arrow 3 of invisible function application fraction numerator x squared minus 6 x plus 9 over denominator 1 minus cos invisible function application open parentheses x minus 3 close parentheses end fraction end style  adalah ...

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  3. 1

  4. 2

  5. 4

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N. Mustikowati

Master Teacher

Mahasiswa/Alumni Universitas Negeri Jakarta

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Pembahasan

Perhatikan bahwa Sehingga

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begin mathsize 14px style cos invisible function application alpha equals 1 minus 2 sin squared invisible function application 1 half alpha end style     

Sehingga

size 14px lim with size 14px x size 14px rightwards arrow size 14px 3 below size 14px invisible function application fraction numerator size 14px x to the power of size 14px 2 size 14px minus size 14px 6 size 14px x size 14px plus size 14px 9 over denominator size 14px 1 size 14px minus size 14px cos size 14px invisible function application open parentheses size 14px x size 14px minus size 14px 3 close parentheses end fraction size 14px equals size 14px lim with size 14px x size 14px rightwards arrow size 14px 3 below size 14px invisible function application fraction numerator open parentheses size 14px x size 14px minus size 14px 3 close parentheses to the power of size 14px 2 over denominator size 14px 1 size 14px minus open parentheses size 14px 1 size 14px minus size 14px 2 size 14px sin to the power of size 14px 2 size 14px invisible function application size 14px 1 over size 14px 2 open parentheses size 14px x size 14px minus size 14px 3 close parentheses close parentheses end fraction size 14px equals size 14px lim with size 14px x size 14px rightwards arrow size 14px 3 below size 14px invisible function application fraction numerator open parentheses size 14px x size 14px minus size 14px 3 close parentheses to the power of size 14px 2 over denominator size 14px 2 size 14px sin to the power of size 14px 2 size 14px invisible function application open parentheses fraction numerator size 14px x size 14px minus size 14px 3 over denominator size 14px 2 end fraction close parentheses end fraction size 14px equals size 14px lim with size 14px x size 14px rightwards arrow size 14px 3 below size 14px invisible function application fraction numerator open parentheses size 14px x size 14px minus size 14px 3 close parentheses open parentheses size 14px x size 14px minus size 14px 3 close parentheses over denominator size 14px 2 size 14px sin size 14px invisible function application open parentheses fraction numerator size 14px x size 14px minus size 14px 3 over denominator size 14px 2 end fraction close parentheses size 14px sin size 14px invisible function application open parentheses fraction numerator size 14px x size 14px minus size 14px 3 over denominator size 14px 2 end fraction close parentheses end fraction size 14px equals size 14px lim with size 14px x size 14px rightwards arrow size 14px 3 below size 14px invisible function application fraction numerator size 14px x size 14px minus size 14px 3 over denominator size 14px 2 size 14px sin size 14px invisible function application open parentheses fraction numerator size 14px x size 14px minus size 14px 3 over denominator size 14px 2 end fraction close parentheses end fraction size 14px times size 14px lim with size 14px x size 14px rightwards arrow size 14px 3 below size 14px invisible function application fraction numerator size 14px x size 14px minus size 14px 3 over denominator size 14px sin size 14px invisible function application open parentheses fraction numerator size 14px x size 14px minus size 14px 3 over denominator size 14px 2 end fraction close parentheses end fraction size 14px equals size 14px lim with size 14px x size 14px rightwards arrow size 14px 3 below size 14px invisible function application fraction numerator fraction numerator size 14px x size 14px minus size 14px 3 over denominator size 14px 2 end fraction over denominator size 14px sin size 14px invisible function application open parentheses fraction numerator size 14px x size 14px minus size 14px 3 over denominator size 14px 2 end fraction close parentheses end fraction size 14px times size 14px lim with size 14px x size 14px rightwards arrow size 14px 3 below size 14px invisible function application fraction numerator size 14px x size 14px minus size 14px 3 over denominator size 14px sin size 14px invisible function application open parentheses fraction numerator size 14px x size 14px minus size 14px 3 over denominator size 14px 2 end fraction close parentheses end fraction size 14px equals size 14px lim with size 14px x size 14px rightwards arrow size 14px 3 below size 14px invisible function application fraction numerator fraction numerator size 14px x size 14px minus size 14px 3 over denominator size 14px 2 end fraction over denominator size 14px sin size 14px invisible function application open parentheses fraction numerator size 14px x size 14px minus size 14px 3 over denominator size 14px 2 end fraction close parentheses end fraction size 14px times size 14px lim with size 14px x size 14px rightwards arrow size 14px 3 below size 14px invisible function application fraction numerator size 14px x size 14px minus size 14px 3 over denominator size 14px sin size 14px invisible function application open parentheses fraction numerator size 14px x size 14px minus size 14px 3 over denominator size 14px 2 end fraction close parentheses end fraction size 14px times size 14px 2 over size 14px 2 size 14px equals size 14px lim with size 14px x size 14px rightwards arrow size 14px 3 below size 14px invisible function application fraction numerator fraction numerator size 14px x size 14px minus size 14px 3 over denominator size 14px 2 end fraction over denominator size 14px sin size 14px invisible function application open parentheses fraction numerator size 14px x size 14px minus size 14px 3 over denominator size 14px 2 end fraction close parentheses end fraction size 14px times size 14px lim with size 14px x size 14px rightwards arrow size 14px 3 below size 14px invisible function application fraction numerator fraction numerator size 14px x size 14px minus size 14px 3 over denominator size 14px 2 end fraction over denominator size 14px sin size 14px invisible function application open parentheses fraction numerator size 14px x size 14px minus size 14px 3 over denominator size 14px 2 end fraction close parentheses end fraction size 14px times size 14px 2 size 14px equals size 14px 1 size 14px times size 14px 1 size 14px times size 14px 2 size 14px equals size 14px 2                

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