Defining Circular Functions: Sine, Cosine, and Tangent (VCE SSCE Mathematical Methods): Flashcards

1

$(\cos \theta, \sin \theta)$

$2\pi$

$\frac{\sin \theta}{\cos \theta}$

When $\cos \theta = 0$

$\pi$

$\frac{1}{2}$

$\frac{1}{\sqrt{2}}$

$-\sin \theta$

$\cos \theta$