Pertanyaan

Bentuk sederhana dari 1 − cos A sin 2 A = ...

Bentuk sederhana dari $\frac{sin ^{2} A}{1 - cos A} = ...$

1 - cos A
cos A
1 + cos A
sin A

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Klaim

N. Mustikowati

Master Teacher

Mahasiswa/Alumni Universitas Negeri Jakarta

Jawaban terverifikasi

Pembahasan

$begin mathsize 12px style fraction numerator sin squared space A over denominator 1 minus cos space A end fraction equals fraction numerator begin display style sin squared space A end style over denominator begin display style 1 minus cos space A end style end fraction cross times fraction numerator 1 plus cos space A over denominator 1 plus cos space A end fraction equals fraction numerator begin display style sin squared space A open parentheses 1 plus cos space A close parentheses end style over denominator begin display style 1 minus cos squared space A end style end fraction equals fraction numerator begin display style sin squared space A open parentheses 1 plus cos space A close parentheses end style over denominator begin display style sin squared space A end style end fraction equals 1 plus cos space A end style$