Use periodic properties of the trigonometric functions to find the exact value of the expression.tan 13?
A. 1
B. undefined
C. -1
D. 0
Answer: D
Mathematics
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If the function is one-to-one, list the inverse function by switching coordinates or inputs and outputs.f = {(5, 5), (-5, -5), (8, 1), (-8, -1)}
A. f-1 = {(5, 5), (-5, -5), (1, 8), (-1, -8)} B. f-1 = {(-1, 8), (-5, -5), (5, -5), (1, -8)} C. not one-to-one D. f-1 = {(-1, 8), (8, -5), (5, 5), (1, -8)}
Mathematics
Subtract the real numbers. Write any improper fraction as a whole or mixed number where appropriate.
- 
A. 5
B. 
C. 
D. 
Mathematics
Find the slope-intercept form of the equation of the line with the given properties.Horizontal; containing the point (-8, 3)
A. y = 3 B. y = -8 C. x = -8 D. x = 3
Mathematics
Use Method I to simplify the complex rational expression.
A. 
B. 
C. 
D. 
Mathematics