Applying trigonometric ratios

Solve for the missing angle.

• 50.2
• 93.1
• 12.6
• 42.2

A cable car descends with 16% gradient. Interpret this gradient by writing it as a fraction in simplest form?

• -4/25
• 4/25
• 25/4
• -25/4

What is the period of this function?

•  $90\degree$  

•  $180\degree$   

•  $360\degree$  

•  $270\degree$  

Find the measure of angle B.

• 24

• 90

• 66

• 42

1.What is the length of side x?

• 6.57 cm

• 7 cm

• 7.44 cm

• 26.33 cm

The U-Shaped graph of a quadratic function  is called a?

• Marabola
• X-value
• Parabola
• Height

Which function has a period of  $\frac{2\pi}{3}$  ?

•  $y=\frac{3}{2}\tan\theta$  

•  $y=\tan\left(\frac{3}{2}\theta\right)$  

•  $y=\tan\left(\frac{2\pi}{3}\theta\right)$  

•  $y=\frac{2}{3}\tan\pi\theta$  

Solve for x. Round to the nearest tenth.

Mathematical Equivalence

ON

If $\tan A=-\frac{2}{3}$ , where  $\frac{\pi}{2}<A<\pi$  and   $\tan B=\frac{1}{2}$  , where  $\pi<B<\frac{3\pi}{2}$  ; what is the value of  $\cot\left(A+B\right)?$  

Give answer as an integer or fraction.  Do not use decimals.

(a)