Use the fact that the trigonometric functions are periodic to find the exact value of the expression. Do not use a calculator.csc 1,080°

A. 1
B.
C. 2
D. undefined


Answer: D

Mathematics

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Use a special product formula to simplify.(6w + 11m)(11m - 6w)

A. 121m2 - 132mw - 36w2 B. 121m2 - 36w2 C. 121m2 + 132mw - 36w2 D. 11m2 - 6w2

Mathematics

Round the amount to the nearest cent.$49.3442

A. $49.35 B. $49.34 C. $49.33 D. $49.3

Mathematics

Solve the equation.5(y - 8) - (4y + 5) = -2

A. - 11 B. 43 C. - 47 D. - 43

Mathematics

The graph and equation of a polynomial f(x) are given. Determine the number of real zeros and the number of imaginary zeros.f(x) = x2 - 4x + 3

A. No real zeros; two imaginary zeros B. Two real zeros; no imaginary zeros C. One real zero; one imaginary zero D. Two real zeros; two imaginary zeros

Mathematics