Use the even-odd properties to find the exact value of the expression. Do not use a calculator.sin (-60°)

A.  
B. - 
C. - 
D.


Answer: C

Mathematics

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Find parametric equations for the line described below.The line through the points P(-1, -1, -6) and Q(-4, -5, 3)

A. x = -3t + 1, y = -4t + 1, z = 9t + 6 B. x = t - 3, y = t - 4, z = -6t + 9 C. x = -3t - 1, y = -4t - 1, z = 9t - 6 D. x = t + 3, y = t + 4, z = -6t - 9

Mathematics

Find the perimeter of the triangle.

A. 41 ft B. 40 ft C. 68 ft D. 33 ft

Mathematics

The table shows, for some particular year, a listing of several income levels and, for each level, the proportion of the population in the level and the probability that a person in that level bought a new car during the year. Given that one of the people who bought a new car during that year is randomly selected, find the probability that that person was in the indicated income category. Round your answer to the nearest hundredth. $0 - $4,999

A. 0.01 B. 0.03 C. 0.05 D. 0.02

Mathematics

The terminal side of ? in standard position contains the given point. Find the values of the six trigonometric functions of ?.(12, -5)

A. sin ? = 
cos ? = - 
tan ? = - 
csc ? = 
sec ? = - 
cot ? = - 
B. sin ? = - 
cos ? = 
tan ? = - 
csc ? = - 
sec ? = 
cot ? = - 
C. sin ? = - 
cos ? = 
tan ? = - 
csc ? = - 
sec ? = 
cot ? = - 
D. sin ? = - 
cos ? = 
tan ? = - 
csc ? = - 
sec ? = 
cot ? = - 

Mathematics