Trigonometry

Answer all the questions below and press submit to see how many you got right.

id: 15219

$\tan 0^{\circ}=?$

id: 15207
Card image cap

Given is a right triangle. One of the other angles is $\alpha$, the leg adjacent to this angle has length $b$, and the leg opposite to this angle has length $a.$ Then $\frac{a}{b}=?$

  • $\tan \alpha$
    $\sin \alpha$
    $\cos \alpha$
    $\cot \alpha$
id: 15216

$\sin 90^{\circ}=\sin \frac{\pi}{4}=?$