Verify the identity.
= cos x + cot x
What will be an ideal response?
= cos x
= 
= 
+ 
= cos x + cot x.
Mathematics
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Find the surface area of the surface S.S is the paraboloid x2 + y2 - z = 0 between the planes z = 
and z = 2.
A. 
?
B. 
?
C. 
?
D. 
?
Mathematics
Solve the system of equations.4x+ y- 
z=42
x- 2z=15x- 4y=1
A. (-6, 3, -5) B. (13, 3, -6) C. (9, 2, -6) D. (13, 20, -9)
Mathematics
Find the indicated matrix.2A + B, where A = 
, B = 
A. 
B. 
C. 
D. 
Mathematics
Give a description of the indicated subset of the plane in terms of quadrants.
{(x, y) | x < 0, y > 0} A) Quadrant I B) Quadrant II C) Quadrant III D) Quadrant IV
Mathematics