Find the exact value of the expression.cos 
cos 
- sin 
sin 
A. 0
B. 1
C. -1
D. 
Answer: A
Mathematics
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106 ÄÄÄ = 103
a. 1018 b. 109 c. 106 d. 103 e. 102
Mathematics
Find the inverse of the one-to-one function.f(x) = 
A. f-1(x) = 
B. f-1(x) = 3x
C. f-1(x) = 
D. f-1(x) = -3x
Mathematics
Find the indicated term of the geometric sequence.a = 4, r = -3; Find the 6th term.
A. 324 B. -243 C. -8748 D. -972
Mathematics
Subtract and simplify. Write the answer as a mixed number as needed.9
lb - 1 lb
A. 9
lb
B. 
lb
C. 8
lb
D. 89
lb
Mathematics