Establish the identity.
= cos x + cot x
What will be an ideal response?
= cos x
= 
= 
+ 
= cos x + cot x.
Mathematics
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Find 
by using the Chain Rule. Express your final answer in terms of t.w =x2 + xy + y2, x = e4t, y = t
A. 8e8t + (4t + 1)e4t + 2t B. 4e8t + (4t + 1)e4t + 8t C. 8e8t - 4te4t + 2t D. 4e8t + (4t + 1)e4t + 2t
Mathematics
Choose the terminology that best classifies the given figure.
A. None of these B. Simple closed curve C. Simple curve D. Closed curve
Mathematics
The graph of a function is given. Determine whether the function is increasing, decreasing, or constant on the given interval.(-6, -2.5) 
A. constant B. decreasing C. increasing
Mathematics
Factor completely. If the polynomial cannot be factored, say it is prime.9x2 - 1
A. prime B. (3x - 1)(3x + 1) C. (3x - 1)2 D. (3x + 1)2
Mathematics