Use the fundamental identities to find the value of the trigonometric function.Find tan ? if sin ? = 
and ? is in quadrant II.
A. - 
B. 
C. - 
D. - 
Answer: A
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Use factoring techniques to solve the equation.-8y2 = 16y
A. 
B. {0, 2}
C. {-2, 0}
D. {-2, 0, 8}
Provide an appropriate response.If n is a positive integer, does 
= x? Explain.
What will be an ideal response?
The sizes of two matrices are given. Find the size of the product AB and the size of the product BA, if the given product can be calculated.A is 1 × 3; B is 3 × 1.
A. AB is 1 × 1; BA cannot be calculated. B. AB is 1 × 1; BA is 3 × 3. C. AB is 3 × 3; BA is 1 × 1. D. AB cannot be calculated; BA is 3 × 3.
Use the Second Derivative Test to find the relative extrema, if any, of the function 
Select the correct answer. a. None b. Rel. max. f(0) = 0 c. Rel. max. f(8) = 16, rel. min. f(?8) = ?16 d. Rel. max. f(?8) = ?16, rel. min. f(8) = 16