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Pertanyaan

Himpunan penyelesaian persamaan 4 sin x equals 1 plus 2 cos 2 x comma0 degree less or equal than x less or equal than 360 degree adalah.....

  1. left curly bracket 30 degree comma 150 degree right curly bracket

  2. left curly bracket 30 degree comma 210 degree right curly bracket

  3. left curly bracket 150 degree comma 210 degree right curly bracket

  4. left curly bracket 210 degree comma 330 degree right curly bracket

  5. left curly bracket 240 degree comma 300 degree right curly bracket

A. Acfreelance

Master Teacher

Jawaban terverifikasi

Pembahasan

4 sin x equals 1 plus 2 cos 2 x  4 sin x equals 1 plus 2 left parenthesis 1 minus 2 sin squared x right parenthesis  4 sin x equals 3 minus 4 sin squared x  4 sin squared x plus 4 sin x minus 3 equals 0  m i s a l space p space equals space sin space x  4 straight p squared plus 4 straight p minus 3 equals 0  left parenthesis 2 straight p plus 3 right parenthesis left parenthesis 2 straight p minus 1 right parenthesis equals 0  left parenthesis 2 sin x plus 3 right parenthesis left parenthesis 2 sin x minus 1 right parenthesis equals 0

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Himpunan penyelesaian persamaan cos2x∘−sinx∘−1=0 untuk 0 < x < 360 adalah.....

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