Find the exact value of the expression.sin 260° cos 20° - cos 260° sin 20°
A. - 
B. - 
C. 
D. - 
Answer: B
Mathematics
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Complete the identity.sin2 ? + sin2 ? cot2 ? = ?
A. sin2 ? + 1 B. cot2 ? + 1 C. cot2 ? - 1 D. 1
Mathematics
Use the graph of f to determine the transformation that yields the graph of g.
?
?
A. Reflect the graph of f in the x-axis and shift six units downward. B. Both the graphs f and g are same. C. Reflect the graph of f in the y-axis and shift six units upward. D. Reflect the graph of f in the x-axis and shift six units upward. E. Reflect the graph of f in the y-axis and shift six units downward.
Mathematics
Multiply and simplify.
? 3b
A. 
b
B. 
C. 
D. 11b
Mathematics
Solve the system of linear equations.
?
?
A. ?
B. ?
C. ?
D. ?
E. ?
Mathematics