Find the exact value of the expression. Do not use a calculator.sin 
- cos 
A. 
B. 0
C. 
D. 1
Answer: B
Mathematics
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Solve and check the equation.
= 13
A. {4} B. {39} C. {16} D. {15}
Mathematics
With your calculator set to radian mode and polar graphics capability, graph the following function in the window specified.r = 1 + 2 cos ?, 0 ? ? ? 2?, [-4, 4] by [-4, 4]
A. 
B. 
C. 
D. 
Mathematics
Solve.
+ 5 = 0
A. - 
B. 
C. 
D. empty set
Mathematics
Find the slope and the y-intercept of the given line.7x + 9y = 73
A. 
; 
B. - 
; 
C. 
; 
D. - 
; 
Mathematics