? is an acute angle and sin ? and cos ? are given. Use identities to find the indicated value.sin ? = 
, cos ? = 
. Find sec ?.
A. 
B. 
C. 
D. 
Answer: D
Mathematics
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Use substitution to determine whether the given ordered pair is a solution of the given equation.(2.7, 4.3); x2 + y2 = 25
A. Yes B. No
Mathematics
Perform the indicated operation. Write the result in the form a + bi.6i + (-9 - i)
A. 9 - 5i B. -9 + 7i C. -9 + 5i D. 9 - 7i
Mathematics
Write a formula for the general term, or nth term, for the given sequence.
, 
, 
, 
, . . .
A. an = 
B. an = 
C. an = 
D. an = 
Mathematics
Find the average value of the function over the given interval.
?
on 
?
A. -31 B. -93 C. -30.2 D. -29.8 E. 42.6
Mathematics