Verify the identity.
- 
= - cos x cot x
What will be an ideal response?
- 
= 
+ 1 - 1 - 
= 
? cos x - 
? 
= 
= 
= - 
= - cos x ? 
= - cos x cot x
Mathematics
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Find a polynomial function of lowest degree with rational coefficients that has the given numbers as some of its zeros.5i, 
A. f(x) = x4 + 20x2 - 125 B. f(x) = x4 + 40x2 + 125 C. f(x) = x4 - 20x2 - 125 D. f(x) = x4 - 40x2 + 125
Mathematics
Find the volume under the surface z = f(x,y) and above the rectangle with the given boundaries.z = 4x2 + 9y2; R = {(x, y): 0 ? x ? 1, 0 ? y ? 1}
A. 
B. 
C. 
D. 
Mathematics
Divide.
A. 2k B. 5k2 C. 2k2 D. 5
Mathematics
Provide an appropriate response.What are the advantages and disadvantages of factoring as a method of solving quadratic equations?
What will be an ideal response?
Mathematics