Find the area of the specified region.Inside the circle r =  sin ? and outside the cardioid r = 1 + cos ?

A.
B.
C.
D.

Answer: C

Mathematics

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Find the exact function value.sin-1

A. - 
B. - 
C.
D. - 

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Mathematics

Find the length of the curve.x = , 1 ? y ? 9

A.  
B.  
C. 20
D.  

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Mathematics

Solve the problem.The current I, in amperes, flowing through an ac (alternating current) circuit at time t, in seconds, is I = 30 sin(50?t)What is the amplitude? What is the period? Graph this function over two periods beginning at t = 0. 

What will be an ideal response?

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Mathematics

Change the logarithmic expression to an equivalent expression involving an exponent.log4 = -3

A. 3 = 4
B. 464 = 3
C. 4-3 = 
D. 34 = 

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Mathematics