Find the trigonometric ratio by referring to the figure.
sin ?
A. 
B. 
C. 
D. 
Answer: D
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Calculate the circulation of the field F around the closed curve C.F = - 
x2yi - 
xy2j; curve C is r(t) = 4 cos ti + 4 sin tj, 0 ? t ? 2?
A. - 1 B. - 2 C. - 4 D. 0
Change the fraction or mixed number into an equivalent decimal. Use bar notation to write repeating decimals. - 
A. -0.
B. -0.8
C. -0.
D. -0.8
Use the drawing to explain the following theorem.“The lateral area L of a regular pyramid with slant height of length l and perimeter P for the base is given by 
.”[Note: Except for the number of sides for the base, the proof (argument) will not changefor another regular polygon.]Given: Regular polygon with slant height of length land length s for each side of the baseProve:
What will be an ideal response?
Perform the indicated operations.5
+ 
A. -18 B. -42 C. 18 D. 42