Complete the identity.csc (2?) + cot (2?) = ?
A. cot ?
B. cot 
C. tan 
D. tan ?
Answer: A
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For a full wave rectified sine wave, find EAV when EPK = 39 V.
a. 13.79 V b. 19.50 V c. 24.83 V d. 27.54 V e. 31.41 V
Classify the function as a polynomial function, rational function, or root function, and then find the domain. Write the domain in interval notation.f(x) = 
A. rational function; (-?, -8) ? (-8, ?) B. rational function; (-?, -8) ? (-8, 2) ? (2, ?) C. rational function; (-?, 2) ? (2, ?) D. rational function; (-?, ?)
Tell whether the expression is a monomial. If it is, name the variable(s) and coefficient, and give the degree of the monomial.-5x-9
A. Monomial; variable x; coefficient 9; degree -5 B. Monomial; variable x; coefficient -5; degree 9 C. Monomial; variable x; coefficient -5; degree -9 D. Not a monomial
List the terms of the expression.-17a + 2b - 6
A. -17a, 2b, -6 B. 17 , 2 C. -a, b D. 17, 2, -6