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Pertanyaan

Hasil dari sin 10 5 ∘ + cos 12 5 π ​ = ….

Hasil dari  ….

  1. 1 fourth square root of 6

  2. 3 over 4 square root of 6

  3. 1 half square root of 6

  4. 1 fourth square root of 3

  5. 1 fourth square root of 2

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N. Ayu

Master Teacher

Mahasiswa/Alumni Universitas Negeri Padang

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Pembahasan

Gunakan rumus:

Gunakan rumus:

sin invisible function application open parentheses A plus B close parentheses equals sin invisible function application A cos invisible function application B plus cos invisible function application A sin invisible function application B  cos invisible function application left parenthesis A plus B right parenthesis equals cos invisible function application A cos invisible function application B minus sin invisible function application A sin invisible function application B    sin invisible function application 105 degree plus cos invisible function application 75 degree equals sin invisible function application left parenthesis 60 degree plus 45 degree right parenthesis plus cos invisible function application left parenthesis 45 degree plus 30 degree right parenthesis  rightwards double arrow sin invisible function application 60 degree cos invisible function application 45 degree plus cos invisible function application 60 degree sin invisible function application 45 degree plus cos invisible function application 45 degree cos invisible function application 30 degree minus sin invisible function application 45 degree sin invisible function application 30 degree  rightwards double arrow 1 half square root of 3 open parentheses 1 half square root of 2 close parentheses plus 1 half open parentheses 1 half square root of 2 close parentheses plus 1 half square root of 2 open parentheses 1 half square root of 3 close parentheses minus 1 half square root of 2 open parentheses 1 half close parentheses  rightwards double arrow 1 fourth square root of 6 plus 1 fourth square root of 2 plus 1 fourth square root of 6 minus 1 fourth square root of 2  rightwards double arrow 1 half square root of 6

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