Pertanyaan

Bentuk sederhana dari sec 2 A 2 − sec 2 A adalah....

Bentuk sederhana dari $\frac{2 - sec ^{2} A}{sec ^{2} A}$ adalah....

sin 2A
cos 2A
tan 2A
cot 2A
sec 2A

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H. Eka

Master Teacher

Mahasiswa/Alumni Universitas Pendidikan Indonesia

Jawaban terverifikasi

Pembahasan

$table attributes columnalign right center left columnspacing 0px end attributes row cell fraction numerator 2 minus sec squared A over denominator sec squared A end fraction end cell equals cell fraction numerator 2 over denominator sec squared A end fraction minus fraction numerator up diagonal strike sec squared A end strike over denominator up diagonal strike sec squared A end strike end fraction end cell row blank blank blank row blank equals cell fraction numerator 2 over denominator open parentheses begin display style fraction numerator 1 over denominator cos squared A end fraction end style close parentheses end fraction minus 1 end cell row blank blank blank row blank equals cell 2 cos squared A minus 1 end cell row blank equals cell cos space 2 A end cell end table$