By Christopher Thomas
Updated on Oct 1, 2011
To review these concepts, go to Trigonometric Values of Angles Study Guide.
Trigonometric Values of Angles Practice Questions
Convert the following into radians.
 30°
 180°
 270°
 300°
 135°
Convert the following into degrees.

2π
Use the trigonometric identities to evaluate the following.
Use the unit circle and the trigonometric identities to complete the following table. Find the answers to questions 19 through 36.
Note: The numbers appearing in bold with asterisks are questions 19 through 36.
 Find the value that goes in the position in the table where you see *19*.
 Find the value that goes in the position in the table where you see *20*.
 Find the value that goes in the position in the table where you see *21*.
 Find the value that goes in the position in the table where you see *22*.
 Find the value that goes in the position in the table where you see *23*.
 Find the value that goes in the position in the table where you see *24*.
 Find the value that goes in the position in the table where you see *25*.
 Find the value that goes in the position in the table where you see *26*.
 Find the value that goes in the position in the table where you see *27*.
 Find the value that goes in the position in the table where you see *28*.
 Find the value that goes in the position in the table where you see *29*.
 Find the value that goes in the position in the table where you see *30*.
 Find the value that goes in the position in the table where you see *31*.
 Find the value that goes in the position in the table where you see *32*.
 Find the value that goes in the position in the table where you see *33*.
 Find the value that goes in the position in the table where you see *34*.
 Find the value that goes in the position in the table where you see *35*.
 Find the value that goes in the position in the table where you see *36*.
Solutions
 π
 60°
 90°
 360°
 18°
 144°
 1
 √3
 2
 2
 √3
 √2
 –1
 –√2
 √2
 – 1
 0
 undefined
 √3
 √3
 –2
 √2
From Calculus Success in 20 Minutes A Day. Copyright © 2006 by LearningExpress, LLC. All Rights Reserved.
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