Matematika

Pertanyaan

cot A + tan A : sec A :csc A

1 Jawaban

  • cotA+tanA/secA×cscA
    1/tanA+tanA / 1/cosA×1/sinA
    1+tan²A/tanA / 1/sinAcosA
    1+(sinA/cosA)²/tanA / 1/sinAcosA
    cos²A+sin²A/cos²A/tanA / 1/sinAcosA
    1/cos²A/tan A / 1/sinAcosA
    1/cos²AtanA / 1/sinAcosA
    sinAcosA/cos²AtanA
    sinA/cosAtanA = tanA/tanA = 1

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