

Trigonometry Facts
Exact Values of the Inverse Trigonometric Functions

Test yourself on the exact values of the three major inverse trigonometric functions at the "nice" values. Remember the restriction on the range for each function. Click on "Show" and "Hide" in each table cell to control which values are displayed. Work on these values until you know them all!

I. In Radians
 Values of inverse sine and inverse cosine (in radians) 
x= 









sin^{1}(x) 
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cos^{1}(x) 
Show Hide 
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 Values of inverse tangent (in radians) 
x= 







tan^{1}(x) 
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II. In Degrees
 Values of inverse sine and inverse cosine (in degrees) 
x= 









sin^{1}(x) 
Show Hide 
Show Hide 
Show Hide 
Show Hide 
Show Hide 
Show Hide 
Show Hide 
Show Hide 
Show Hide 
cos^{1}(x) 
Show Hide 
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Show Hide 
Show Hide 
Show Hide 
Show Hide 
Show Hide 
Show Hide 
Show Hide 

 Values of inverse tangent (in degrees) 
x= 







tan^{1}(x) 
Show Hide 
Show Hide 
Show Hide 
Show Hide 
Show Hide 
Show Hide 
Show Hide 

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