Verify the identity.sin 
= -cos x
What will be an ideal response?
sin 
= sin 
cos x - cos 
sin x = (-1) ? cos x - 0 ? sin x = - cos x
Mathematics
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Graph the linear inequality.y ? -3x - 5
A. 
B. 
C. 
D. 
Mathematics
Find the Jacobian of f (x, y) = 
and g (x, y) = 
What will be an ideal response?
Mathematics
Answer the question.In the fraction 
, the numerator is ? .
A. 5 B. 8 C. 3 D. 15
Mathematics
Determine whether the equation defines y as a function of x.x2 + y2 = 81
A. y is a function of x B. y is not a function of x
Mathematics