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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Use power series operations to find the Taylor series at x = 0 for the given function.f(x) = x10ex
A. 
B. 
C. 
D. 
Mathematics
Solve.A box of matches contains 210 matches. If a carton contains 10 boxes of matches, how many matches are in a carton?
A. 220 matches B. 21 matches C. 2100 matches D. 210 matches
Mathematics
The graph of y = ax2 + bx + c is given in the figure. Determine whether the discriminant is positive, negative, or zero.
A. Negative B. Positive C. Zero
Mathematics
Simplify the radical. Assume that all variables represent nonnegative real numbers. 
A. 
B. 
C. 
D. 
Mathematics