Matematika

Pertanyaan

cos A.cotan A =CosecA-sinA

1 Jawaban

  • [tex]cos A.cot A = cosec A - sin A[/tex]
    [tex]cos A. \frac{1}{tan A} = \frac{1}{sin A} -sin A [/tex]
    [tex]cos A. \frac{cos A}{sin A} = \frac{1}{sin A}-sin A [/tex]
    [tex] cos^{2} A = sin A ( \frac{1}{sin A} - sin A) [/tex]
    [tex]cos ^{2} A = 1 - sin^{2} A [/tex]

Pertanyaan Lainnya