Pertanyaan

( 1 + tan 2 x ) ( 1 − sin 2 x ) = ....

$(1 + tan^{2} x) (1 - sin^{2} x) = ....$

H. Hermawan

Master Teacher

Mahasiswa/Alumni Universitas Lampung

Jawaban terverifikasi

Pembahasan

$begin mathsize 14px style table attributes columnalign right center left columnspacing 0px end attributes row cell left parenthesis 1 plus tan squared x right parenthesis left parenthesis 1 minus sin squared x right parenthesis end cell equals cell left parenthesis tan squared x plus 1 right parenthesis left parenthesis 1 minus sin squared x right parenthesis end cell row blank equals cell s e c squared x left parenthesis 1 minus sin squared x right parenthesis end cell row blank equals cell open parentheses fraction numerator 1 over denominator cos squared x end fraction close parentheses left parenthesis 1 minus sin squared x right parenthesis end cell row blank equals cell open parentheses fraction numerator 1 over denominator cos squared x end fraction close parentheses cos squared x end cell row blank equals 1 end table end style$