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Sederhanakan bentuk trigonometri 1 + cot 2 ( a ) cot ( a ) ⋅ sec 2 ( a ) ​ .

Sederhanakan bentuk trigonometri 

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R. Febrianti

Master Teacher

Mahasiswa/Alumni Universitas Negeri Malang

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bentuk sederhana dari adalah

bentuk sederhana dari fraction numerator cot open parentheses a close parentheses times sec squared open parentheses a close parentheses over denominator 1 plus cot squared open parentheses a close parentheses end fraction adalah tan open parentheses a close parentheses.

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Pembahasan

Diketahui bentuk trigonometri Berdasarkan identitas trigonometri maka bentuk sederhana dari trigonometri yaitu Berdasarkan definisi trigonometri yaitu maka Jadi bentuk sederhana dari adalah

Diketahui bentuk trigonometri fraction numerator cot open parentheses a close parentheses times sec squared open parentheses a close parentheses over denominator 1 plus cot squared open parentheses a close parentheses end fraction. Berdasarkan identitas trigonometri 1 plus cot squared open parentheses x close parentheses equals csc squared open parentheses x close parentheses maka bentuk sederhana dari trigonometri fraction numerator cot open parentheses a close parentheses times sec squared open parentheses a close parentheses over denominator 1 plus cot squared open parentheses a close parentheses end fraction yaitu
 

table attributes columnalign right center left columnspacing 0px end attributes row cell fraction numerator cot open parentheses a close parentheses times sec squared open parentheses a close parentheses over denominator 1 plus cot squared open parentheses a close parentheses end fraction end cell equals cell fraction numerator cot open parentheses a close parentheses times sec squared open parentheses a close parentheses over denominator csc squared open parentheses a close parentheses end fraction end cell end table


Berdasarkan definisi trigonometri yaitu cot open parentheses x close parentheses equals fraction numerator cos open parentheses x close parentheses over denominator sin open parentheses x close parentheses end fraction comma space sec open parentheses x close parentheses equals fraction numerator 1 over denominator cos open parentheses x close parentheses end fraction comma space text dan  end text csc open parentheses x close parentheses equals fraction numerator 1 over denominator sin open parentheses x close parentheses end fraction maka
 

table attributes columnalign right center left columnspacing 0px end attributes row cell fraction numerator cot open parentheses a close parentheses times sec squared open parentheses a close parentheses over denominator 1 plus cot squared open parentheses a close parentheses end fraction end cell equals cell fraction numerator cot open parentheses a close parentheses times sec squared open parentheses a close parentheses over denominator csc squared open parentheses a close parentheses end fraction end cell row cell fraction numerator cot open parentheses a close parentheses times sec squared open parentheses a close parentheses over denominator 1 plus cot squared open parentheses a close parentheses end fraction end cell equals cell fraction numerator begin display style fraction numerator up diagonal strike cos open parentheses a close parentheses end strike over denominator sin open parentheses a close parentheses end fraction end style times begin display style fraction numerator 1 over denominator begin display style stack up diagonal strike cos squared open parentheses a close parentheses end strike with cos open parentheses a close parentheses below end style end fraction end style over denominator begin display style fraction numerator 1 over denominator sin squared open parentheses a close parentheses end fraction end style end fraction end cell row cell fraction numerator cot open parentheses a close parentheses times sec squared open parentheses a close parentheses over denominator 1 plus cot squared open parentheses a close parentheses end fraction end cell equals cell fraction numerator 1 over denominator sin open parentheses a close parentheses times cos open parentheses a close parentheses end fraction divided by fraction numerator 1 over denominator sin squared open parentheses a close parentheses end fraction end cell row cell fraction numerator cot open parentheses a close parentheses times sec squared open parentheses a close parentheses over denominator 1 plus cot squared open parentheses a close parentheses end fraction end cell equals cell fraction numerator 1 over denominator up diagonal strike sin open parentheses a close parentheses end strike times cos open parentheses a close parentheses end fraction cross times stack up diagonal strike sin squared open parentheses a close parentheses end strike with sin open parentheses a close parentheses on top end cell row cell fraction numerator cot open parentheses a close parentheses times sec squared open parentheses a close parentheses over denominator 1 plus cot squared open parentheses a close parentheses end fraction end cell equals cell fraction numerator sin open parentheses a close parentheses over denominator cos open parentheses a close parentheses end fraction end cell row cell fraction numerator cot open parentheses a close parentheses times sec squared open parentheses a close parentheses over denominator 1 plus cot squared open parentheses a close parentheses end fraction end cell equals cell tan open parentheses a close parentheses end cell end table
 

Jadi bentuk sederhana dari fraction numerator cot open parentheses a close parentheses times sec squared open parentheses a close parentheses over denominator 1 plus cot squared open parentheses a close parentheses end fraction adalah tan open parentheses a close parentheses.

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