Use identities to find the exact value of the trigonometric function.Find sin ?, given that cos ? =  and  < ? < 2?.

A. - 
B. -
C. - 
D. - 

Answer: A

Mathematics

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Solve the problem.The first period of a half-wave rectified current, I(t), is given byFind ao and as many nonzero cosine and sine terms as possible, up to two of each, of the Fourier series for this waveform.

A. I(t) =  -  -  sin t
B. I(t) =  -  - 
C. I(t) =  -  - 
D. I(t) =  -  - 

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Solve the problem.The difference in length between the minimum spanning tree and the shortest network is

A. always less than 5%. B. 0. C. always greater than 0. D. always less than 13.4%. E. none of these

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Find the GCF.304 and 608

A. 16 B. 304 C. 19 D. 152

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Find the quotient. Write the answer in standard form.

A. -  - i
B.  - i
C.  - i
D. -  + i

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Mathematics