Simplify the expression.sin x cos x sec x csc x
A. sec2 x
B. csc2 x
C. tan2 x
D. 1
Answer: D
Mathematics
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Provide an appropriate response.Find the direction in which the function is increasing most rapidly at the point P0.f(x, y) = xy2 - yx2, P0(-1, 1)
A. 
i - 
j
B. 
i + 
j
C. 
i + 
j
D. 
i - 
j
Mathematics
Use a Taylor series to evaluate the function.e1.4
A. 4.9926 B. 3.3888 C. 2.8642 D. 4.0521
Mathematics
Factor the square of the binomial.z2+ 6z + 9
A. (z - 3)2 B. (z + 6)(z - 6) C. (z + 3)(z - 3) D. (z + 3)2
Mathematics
Add and simplify. Write the answer as an improper fraction as needed.
+ 
A. 
B. 
C. 
D. 
Mathematics