Perform the indicated operations. Leave the result in polar form.
A. 3(cos 10° + sin 10°)
B. 6(cos 10° + j sin 10°)
C. 3(cos 
° + j sin 
°)
D. 3(cos 10° + j sin 10°)
Answer: D
Mathematics
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A. -cos 2? + cos 4? - cos 6? = -1 B. cos 2? - cos 4? + cos 6? = - 1 C. cos 2? + cos 6? = 2 D. cos 2? - cos 4? + cos 6? = 1
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Find A-1 without a calculator.A = 
A. A-1 = 
B. A-1 = 
C. A-1 = 
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Let 
?Find the point(s) on the graph of 
where the tangent line is horizontal.
?
A. 
, 
B. ?, 
C. 
D. 
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