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
You don't have permission to comment on this page.