Find different polar coordinates (r, ?) for the same point under the given conditions.
, r > 0 and -2? < ? < 0
A. 
B. 
C. 
D. 
Answer: B
Mathematics
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Factor the trigonometric expression and simplify.1 - 2 sin2x + sin4x
A. (1 + tan2x) B. sin2x C. (1 - sin2x) D. cos4x
Mathematics
The hyperbola shown in the calculator-generated graph was graphed in function mode with a square viewing window. What are the two functions y1 and y2 that were used to obtain the graph whose equation is given?
10
-10
A. y1 = 3
, y2 = -3
B. y1 = 6
, y2 = -6
C. y1 = 6
, y2 = -6
D. y1 = 6
, y2 = -6
Mathematics
Use the definition or identities to find the exact value of the indicated trigonometric function of the acute angle ?.tan ? = 
Find sin ? and cos ?.
A. sin ? = 
, cos ? = 
B. sin ? = 
, cos ? = 
C. sin ? = 
, cos ? = 
D. sin ? = 
, cos ? = 
Mathematics
Graph the equation.4x + y = -2 
A. 
B. 
C. 
D. 
Mathematics