Trigonometric Functions (Grade 10 NSC Matric Mathematics): Flashcards

Sine, cosine, tangent

$[-1; 1]$

360°

Vertical shift up ($q > 0$) or down ($q < 0$)

Changes amplitude; if $a < 0$, reflects about x-axis

$[-a + q; a + q]$

180°

$θ = 90°$ and $θ = 270°$

Where $\cos θ = 0$ (at 90° and 270°)

Always positive (use $|a|$)