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Perbandingan trigonometri sudut-sudut berelasi

Perbandingan trigonometri sudut-sudut berelasi. Kelas X SMAN 34 JAKARTA. Indikator : Menentukan nilai perbandingan trigonometri dari sudut-sudut berelasi. Tujuan pembelajaran : Siswa dapat menentukan nilai perbandingan trigonometri dari sudut-sudut berelasi. Pendahuluan.

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Perbandingan trigonometri sudut-sudut berelasi

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  1. Perbandingantrigonometrisudut-sudutberelasi Kelas X SMAN 34 JAKARTA

  2. Indikator : Menentukannilaiperbandingantrigonometridarisudut-sudutberelasi

  3. Tujuanpembelajaran :Siswadapatmenentukannilaiperbandingantrigonometridarisudut-sudutberelasi

  4. Pendahuluan • Pernahkahandamencobamengukurtinggipohon yang adadisekitarrumahmu? Ataupernahkahandaterpikirkanuntukmencobamengukurtinggidindingrumahandasendiri? Lantasbagaimanacaranya? Adakahcara yang lebihefektifuntukdilakukan?

  5. Apamanfaattrigonometri?? klinometer

  6. PerbandinganTrigonometri B Sin α ? Cos α ? Tan α ? Cot α ? Sec α ? Cosec α ? c a α A C b

  7. Sudut – Sudut Istimewa 2 45° 60° 1 1 45° 30° 1

  8. SudutPadaBerbagaiKuadran 90° Kuadran II SIN (+) Kuadran I SEMUA (+) 0° 180° / 360° Kuadran IV COS (+) Kuadran III TAN (+) 270°

  9. perbandingantrigonometrisudut-sudutberelasi Secaraumum, sudut-sudutberelasidapatdidefinisikansebagaiberikut. Misalkansuatusudutbesarnyaα°, sudut lain yang besarnya (90°-α) dikatakanberelasidengansudutαdansebaliknya. Sudut-sudut lain yang berelasidengansudutαadalahsudut-sudut yang besarnya (90° - α°), (180° ± α°), (270° ± α°), (360° ± α°), dan (α°)

  10. Perbandingantrigonometriuntuksudut (90° - α°) Sin (90° - α°) = cosα° Cos (90° - α°) = sin α° Tan (90° - α°) = cot α° Cot (90° - α°) = tan α° Sec(90° - α°) = cosec α° Cosec (90° - α°) = sec α°

  11. Perbandingantrigonometriuntuksudut (90° + α°) Sin (90° + α°) = cosα° Cos (90° + α°) = -sin α° Tan (90° + α°) = -cot α° Cot (90° + α°) = -tan α° Sec(90° + α°) = -cosec α° Cosec (90° + α°) = sec α°

  12. Perbandingantrigonometriuntuksudut (180° - α°) Sin (180° - α°) = sin α° Cos (180° - α°) = -cosα° Tan (180° - α°) = -tan α° Cot (180° - α°) = -cot α° Sec(180° - α°) = -sec α° Cosec (180° - α°) = cosec α°

  13. Perbandingantrigonometriuntuksudut (180° + α°) Sin (180° + α°) = -sin α° Cos (180° + α°) = -cosα° Tan (180° + α°) = tan α° Cot (180° + α°) = cot α° Sec(180° + α°) = -sec α° Cosec (180° + α°) = -cosec α°

  14. Perbandingantrigonometriuntuksudut (360° - α°) Sin (360° - α°) = -sin α° Cos (360° - α°) = cosα° Tan (360° - α°) = -tan α° Cot (360° - α°) = -cot α° Sec(360° - α°) = sec α° Cosec (360° - α°) = -cosec α°

  15. Perbandingantrigonometriuntuksudut (- α°) Sin (- α°) = -sin α° Cos (- α°) = cosα° Tan (- α°) = -tan α° Cot (- α°) = -cot α° Sec(- α°) = sec α° Cosec (- α°) = -cosec α°

  16. Perbandingantrigonometriuntuksudut (n.360° - α°) Sin (n.360° - α°) = -sin α° Cos (n.360° - α°) = cosα° Tan (n.360° - α°) = -tan α° Cot (n.360° - α°) = -cot α° Sec(n.360° - α°) = sec α° Cosec (n.360° - α°) = -cosec α°

  17. Perbandingantrigonometriuntuksudut (n.360° + α°) Sin (n.360° + α°) = sin α° Cos (n.360° + α°) = cosα° Tan (n.360° + α°) = tan α° Cot (n.360° + α°) = cot α° Sec(n.360° + α°) = sec α° Cosec (n.360° + α°) = cosec α°

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