Limit - Limit Fungsi Trigonometri Matematika Kelas 3>...

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Unformatted text preview: Limit Fungsi Trigonometri Matematika Kelas 3 > Limit 433 < Sebelum Sesudah > KETENTUAN Untuk x <<< ( x → 0 ) maka sin x ≈ x (x <<< kecil sekali ; ≈ setara ) l i m sin x = 1 l i m tg x = 1 x → 0 x x → 0 x l i m x = 1 l i m x = 1 x → 0 sin x x → 0 tg x PERLUASAN l i m sin ax = a/b l i m tg ax = a/b x → 0 bx x → 0 bx l i m ax = a/b l i m ax = a/b x → 0 sin bx x → 0 tg bx l i m sin ax = a/b l i m tg ax = a/b x → 0 sin bx x → 0 tg bx l i m sin ax = a/b l i m tg ax = a/b x → 0 tg bx x → 0 sin bx Rumus-rumus trigonometri yang sering digunakan untuk merubah fungsi: cos x = sin (90° - x) ctg x = tg (90° - x) sin ax = 2 sin ½ax cos ½ax cos ax = 1- 2 sin² ½ax cos²x = 1 - sin²x HAL-HAL KHUSUS l i m ax m + bx m-1 + .... = x → ∞ px n + qx n-1 + ... ∞ untuk m > n ; a/p untuk m =n ; 0 untuk m < n...
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Limit - Limit Fungsi Trigonometri Matematika Kelas 3>...

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