Matematika

Pertanyaan

TOLONGGG TRIGONOMETRI
TOLONGGG TRIGONOMETRI

0 Comment.

1 Jawaban

  • sin 2a = 2.sin a.cos a
    sin a.cos a = (1/2).sin 2a
    (sin a.cos a)^2 = (1/4).sin^2 2a
    = (1/8) - (1/8).cos 4a

Pertanyaan Lainnya