Divide. Simplify the final answer.
÷ 
A.
B.
C.
D.
Answer: A
Mathematics
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Perform the operation and simplify.
?
?
A.
B. ?
C. ?
D. ?
Mathematics
Find the sum, if it exists.
A. -
B.
C.
D. Does not exist
Mathematics
Use the Pythagorean identity.Find sin ?, given that cos ? = and
? ? < 2?
A. -
B. -
C. -
D. -
Mathematics
Simplify.|1|
A. 0 B. 1 C. -1 D. does not exist
Mathematics