Unit Circle with Secant, Cosecant, and Cotangent (HSC SSCE Mathematics Advanced): Flashcards

$\sec \theta = \frac{1}{x}$

$\text{cosec } \theta = \frac{1}{y}$

$\cot \theta = \frac{x}{y}$

Cosine

Sine

Tangent

When $x = 0$

When $y = 0$

$\left(\frac{\sqrt{3}}{2}, \frac{1}{2}\right)$

$\left(\frac{\sqrt{2}}{2}, \frac{\sqrt{2}}{2}\right)$