Solve.Given that sin (5?/12) = 
and cos (5?/12) = 
, find sec (5?/12).
A. 
B. 
C. 
D. 
Answer: B
Mathematics
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Find the length of the curve.The line segment r = 8 sec ?, 0 ? ? ? 
A. 8
B. 8 ln
C. 
D. 4(
+ ln(
+ 1))
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Graph the ellipse.64x2 + y2 - 384x + 512 = 0
A. 
B. 
C. 
D. 
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Change the radical to simplest radical form.
A. 
B. 
C. 
D. 
E. 
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Express the sum or difference as a product.cos 4x + cos 2x
A. 2 cos 3x cos x B. 2 cos 3x sin x C. 2 cos 3x D. 2 sin 3x sin x
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