Evaluate using substitution.
? 3x sin (5x)dx
Mathematics
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Evaluate the expressing using a unit circle or state that the quantity is undefined. All angles are in radians.tan 
A. - 
B. 
C. - 
D. 
Mathematics
Shade the region(s) that represents the set described.(A' ? B) ? C
A. 
B. 
C. 
D. 
Mathematics
Find the area of the shaded region.y = 2x2 + x - 6y = x2 - 4
A. 
B. 
C. 
D. 
Mathematics
Multiply. Assume that all variables represent nonnegative real numbers.
2
A. 49t2 + 2
+ r2
B. 7t + 
+ r
C. 49t2 + 
+ r2
D. 7t + 2
+ r
Mathematics