Solve the problem.If x = 5 sin ?, show that 
= 5 cos ?.
What will be an ideal response?
= 
= 
= 5
= 5
= 5 cos ?
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Perform the indicated operation without the use of a calculator and express each answer in decimal notation.
A. 0.00142857 B. 700 C. 100 D. 0.07
Where 
is the degree measure for the arc of a sector of a circle, the ratio of the area of the sector to that of the area of the circle is given by 
. Use this ratio to explain whythe area of the sector is given by 
.[Note: In the figure, the sector with arc measure 
is bounded by radii 
, 
, and 
.]
What will be an ideal response?
Use the commutative and/or associative property of addition and then simplify.16 + (1 + x)
A. x + 16 B. 16x C. x + 17 D. 17
Find the center and the radius of the circle.x2 + y2 - 14x - 18y = 0
A. (7, 9); r = 
B. (7, 0); r = 
C. (8, 9); r = 
D. (7, 9); r = 