Identitas Trigonometri Kelas 11

Front

sin²θ + cos²θ

Back

1

Front

1 + tan²θ

Back

sec²θ

Front

1 + cot²θ

Back

csc²θ

Front

sin(2θ)

Back

2sinθcosθ

Front

cos(2θ)

Back

cos²θ - sin²θ

Front

tan(2θ)

Back

2tanθ / (1 - tan²θ)

Front

sin(α ± β)

Back

sinαcosβ ± cosαsinβ

Front

cos(α ± β)

Back

cosαcosβ ∓ sinαsinβ

Front

tan(α ± β)

Back

(tanα ± tanβ) / (1 ∓ tanαtanβ)

Front

sin²θ

Back

(1 - cos(2θ))/2