Trigonometry

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

id: 15208
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 $\frac{b}{a}=?$

  • $\sin \alpha$
    $\cos \alpha$
    $\tan \alpha$
    $\cot \alpha$
id: 15217

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

id: 15201
Card image cap

The quotient of the lengths of a leg of a right triangle and its hypotenuse is called ____ where $\alpha$ is the angle between the leg and the hypotenuse.

  • $\cos \alpha$
    $\sin \alpha$
    $\cot \alpha$
    $\tan \alpha$