Fouss math class wiki

 

Section 7 - Inverse Trig Functions

Page history last edited by Fouss 1 yr ago

4.7 Inverse Trig. Functions:

 

 

 

 

 

y=sinx                        

    Does y=sinx have an inverse?

                                                   (Use Horizontal Line Test) No

 

 

 

 

 

 

 

 

y=cosx

 

 

 

 

 

 

 

 

tan

 

 

 

 

 

 

 

 

 

Ex. Find exact values if possible

(Find the angle).

cos=x          sin=y            tan=y/x

 

 

 

A.

 

 

 

 

 

B. arcsin(-1/2)  

 

 

 

 

C. arctan(-1) 

 

 

 

 

 

D. arctan(0)

 

 

 

 

 

 

 

E. sin(arctan 4/5)

 

 

 

 

 

 

 

F. sin(arcsin .5)

 

                     =.5

 

 

 

 

 

 

 

 

 

 

Comments (1)

Fouss said

at 8:39 pm on Jan 8, 2008

I'd suggest including the quadrants where your inverse functions reside, and including some examples of angles located in those "negative" quadrants. 19/20

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