I've asked this question more than once because this cannot be right. Tangent30=-6.4 and 1/square root3= .577 They do not equal each other

Elementary Geometry For College Students, 7e
7th Edition
ISBN:9781337614085
Author:Alexander, Daniel C.; Koeberlein, Geralyn M.
Publisher:Alexander, Daniel C.; Koeberlein, Geralyn M.
ChapterP: Preliminary Concepts
SectionP.CT: Test
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I've asked this question more than once because this cannot be right. Tangent30=-6.4 and 1/square root3= .577

They do not equal each other 

Expert Solution
Step 1

Here the angle is in degrees.

tan(30)=-6.4 is when it is 30 radians

But tan(30o)=0.577

 

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