Pertanyaan

1+ tan 2 A senilai dengan…..

1+ tan²A senilai dengan…..

cotg² A
cosec² A
sec² A
sin² A+cos²A
tan² A-1

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N. Rahayu

Master Teacher

Mahasiswa/Alumni Universitas Negeri Jakarta

Jawaban terverifikasi

Pembahasan

$begin mathsize 12px style 1 space plus space tan squared space A space equals space 1 space plus space fraction numerator sin squared A over denominator cos squared A end fraction space space space space space space space space space space space space space space space space space space space space space equals space fraction numerator cos squared A over denominator cos squared A end fraction plus fraction numerator sin squared A over denominator cos squared A end fraction space space space space space space space space space space space space space space space space space space space space space space equals space fraction numerator 1 over denominator cos squared A end fraction space space space space space space space space space space space space space space space space space space space space space space space equals space S e c squared A bold italic N bold italic o bold italic t bold italic e bold space bold colon bold space bold italic S bold italic i bold italic n to the power of bold 2 bold italic A bold space bold plus bold space bold italic c bold italic o bold italic s to the power of bold 2 bold italic A bold equals bold space bold 1 bold space bold left parenthesis bold indentitas bold space bold Trigonometri bold right parenthesis bold space bold space bold space bold space bold space bold space bold space bold space bold space bold space bold space bold space bold italic T bold italic a bold italic n bold space bold italic A bold space bold equals bold space fraction numerator bold S bold i bold n bold space bold A over denominator bold C bold o bold s bold space bold A end fraction end style$