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Pertanyaan

Hasil dari cos 3 8 π ​ + sin 39 0 ∘ + tan 3 14 π ​ = ….

Hasil dari  ….

  1. negative 1 half square root of 3

  2. 1 half square root of 3 plus 1 half

  3. negative square root of 3

  4. 1 half square root of 3 plus 1 half

  5. square root of 3

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S. Nur

Master Teacher

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Pembahasan

cos invisible function application fraction numerator 8 pi over denominator 3 end fraction equals cos invisible function application 480 degree rightwards double arrow cos invisible function application 480 degree equals cos invisible function application 120 degree equals negative 1 half  sin invisible function application 390 degree equals sin invisible function application 30 degree equals 1 half  tan invisible function application fraction numerator 14 pi over denominator 3 end fraction equals tan invisible function application 840 degree rightwards double arrow tan invisible function application 840 degree equals tan invisible function application 120 degree equals negative square root of 3      cos invisible function application fraction numerator 8 pi over denominator 3 end fraction plus sin invisible function application 390 degree plus tan invisible function application fraction numerator 14 pi over denominator 3 end fraction equals negative 1 half plus 1 half minus square root of 3  equals negative square root of 3

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