SOLUTION: Find the following values without using a calculator:
a. {{{ sin ( -7 pi / 6 ) }}}
b. {{{ cos ^ -1 ( -1 / 2 ) }}}
c. {{{ tan ^ -1 ( -1 ) }}}
d. {{{ sec ( 11 pi / 4 ) }}}
Algebra.Com
Question 999830: Find the following values without using a calculator:
a.
b.
c.
d.
Answer by solver91311(24713) (Show Source): You can put this solution on YOUR website!
c. 
John
My calculator said it, I believe it, that settles it
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