Test Objectives
• Demonstrate the ability to determine if two angles are coterminal angles
• Demonstrate the ability to find a coterminal angle between 0° and 360°
Coterminal Angles Practice Test:

#1:

Instructions: State if the two angles are coterminal angles.

$$a)\hspace{.1em}150°, 510°$$

$$b)\hspace{.1em}70°, 610°$$

#2:

Instructions: State if the two angles are coterminal angles.

$$a)\hspace{.1em}325°, 525°$$

$$b)\hspace{.1em}280°, -80°$$

#3:

Instructions: State if the two angles are coterminal angles.

$$a)\hspace{.1em}255°, -105°$$

$$b)\hspace{.1em}225°, -135°$$

#4:

Instructions: Find a coterminal angle between 0° and 360°.

$$a)\hspace{.1em}645°$$

$$b)\hspace{.1em}{-}105°$$

#5:

Instructions: Find a coterminal angle between 0° and 360°.

$$a)\hspace{.1em}635°$$

$$b)\hspace{.1em}990°$$

Written Solutions:

#1:

Solutions:

$$a)\hspace{.1em}\text{Yes}$$

$$b)\hspace{.1em}\text{No}$$

#2:

Solutions:

$$a)\hspace{.1em}\text{No}$$

$$b)\hspace{.1em}\text{Yes}$$

#3:

Solutions:

$$a)\hspace{.1em}\text{Yes}$$

$$b)\hspace{.1em}\text{Yes}$$

#4:

Solutions:

$$a)\hspace{.1em}285°$$

$$b)\hspace{.1em}255°$$

#5:

Solutions:

$$a)\hspace{.1em}275°$$

$$b)\hspace{.1em}270°$$