Find the exact value of the indicated trigonometric function of ?.sin ? = 
, sec ? < 0Find cos ? and tan ?.
A. cos ? = - 
, tan ? = - 
B. cos ? = - 
, tan ? = - 
C. cos ? = - 
, tan ? = 
D. cos ? = 
, tan ? = 
Answer: A
Mathematics
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?
?
A. 
B. 
C. 
D. 
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