Express the sum or difference as a product of sines and/or cosines.sin (4?) - sin (2?)
A. 2 sin ? cos (3?)
B. 2 sin (3?) cos ?
C. sin (3?) cos ?
D. sin ? cos (3?)
Answer: A
Mathematics
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for the volume of the tetrahedron cut from the first octant by the plane 
.
A. 
B. 
C. 
D. 
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Evaluate the integral.
A. 
tan6 x + C
B. 
tan4 x + C
C. 4 sec2 x tan4 x + C
D. 4 sec4 x + C
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Use the square root property to solve the equation.(5x - 1)2 = 
A. {3, -1}
B. 
C. 
D. 
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Find the reciprocal.
A. 
B. 
C. 
D. 
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