Trig Quiz #2 (Lessons 1-6) AAWT

Which of the following expressions is equivalent to cos 215º?

(Lesson #1)

• sin 35º

• cos 35º

• – sin 35º

• – cos 35º

In which quadrant does θ lie if cos θ < 0 and cot > 0 ?

(Lessons #3-#6)

• I

• II

• III

• IV

 In the accompanying diagram of a unit circle, the ordered pair$\left(-\frac{\sqrt{3}}{2},\ -\frac{1}{2}\right)$   represents the point where the terminal side of  intersects the unit circle.
What is  $m\angle\theta$  ?
(Lesson #3)

•  $210\degree$  

•  $225\degree$  

•  $233\degree$  

•  $240\degree$  

The terminal side of an angle passes through the point  $\left(-5,\ 12\right)$  . Which of the
 following would represent the sin A?
(Lessons #3 - #6)

•  $-5$  

•  $-\frac{5}{13}$  

•  $\frac{12}{13}$  

•  $12$  

 What angle is not coterminal with an angle of   $125\degree$  ?
(Lesson #1)

•  $485\degree$  

•  $-235\degree$  

•  $-595\degree$  

•  $-125\degree$  

As shown in the accompanying diagram, a dial in the shape of a semicircle has a radius of 4 centimeters. Find the measure of θ, in radians, when the pointer rotates to form an arc whose length is 1.38 centimeters.
(Lesson #2)

• $\theta=1.38$

• $\theta=0.345$

• $\theta=4$

• $\theta=62\degree$

Which diagram represents an angle,  $\alpha$  , measuring  $\frac{13\pi}{20}$  radians drawn in standard position AND its reference angle,  $\theta$  ?

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Which diagram shows an angle rotation of  $\pi$   radians on the unit circle?
(Lesson #2)

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The terminal side of , an angle in standard position, intersects the unit circle at  $P\ \left(-\frac{\sqrt{11}}{6},\ \frac{5}{6}\right)$  . What is the value of  $\csc\theta$  ?
(Lesson #3)

•  $-\frac{6\sqrt{11}}{11}$  

•  $-\frac{5\sqrt{11}}{11}$  

•  $\frac{6}{5}$  

•  $\frac{\sqrt{11}}{5}$  

Convert  $-\frac{3\pi}{5}$  radians to degrees.
(Lesson #2)

•  $-108\degree$  

•  $-720$  

•  $-252\degree$  

•  $285\degree$