Find the reference angle of the given angle.18°
A. 108°
B. 72°
C. 18°
D. 162°
Answer: C
Mathematics
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Solve the equation log 3 (2x - 1) - log 3 (x - 2) = 1.
A. x = 4 B. x = 5 C. x = 2 D. x = 7 E. x = 6
Mathematics
A point on the terminal side of angle ? is given. Find the exact value of the indicated trigonometric function of ?.(21, 28) Find cos ?.
A. 
B. 
C. 
D. 
Mathematics
Solve the equation.-5(x + 3) = 30
A. x = 9 B. x = -3 C. x = -9 D. x = 45
Mathematics
Find the domain and range of the function represented in the graph.
A. Domain: (-3, 2 ]; Range: (-6, -1] B. Domain: [-3, 2) ; Range: [-6, -1) C. Domain: (-?, 3 ]; Range: (2, ?) D. Domain: [-6, -1); Range: [-3, 2)
Mathematics