The angle ? is an angle in standard position and satisfies the given conditions. Find the indicated trigonometric function value of ?. Do not use a calculator.The terminal side of ? is in quadrant IV and lies on the line 
Find 
A. - 
B. 
C. 
D. 
Answer: D
Mathematics
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Find the measure of the indicated angle. Figure is not drawn to scale.
A. 44° B. 54° C. 126° D. 85°
Mathematics
Solve the equation. Use words or set notation to identify equations that have no solution, or equations that are true for all real numbers. 3x + 5 = 5 - x
A. {0}
B. ?
C. {
x is a real number}
D. {
}
Mathematics
Solve the given equation or inequality. If an equation is given, then write the solution set in set notation. If an inequality is given, then write the solution set in interval notation.
+ 7 = 9
A. {-9} B. {-9, 9} C. {-2, 2} D. {2}
Mathematics
Find the focus and the directrix of the parabola.y = x2 + 18x + 82
A. Focus: 
; directrix: y = 
B. Focus: 
; directrix: y = 1
C. Focus: 
; directrix: x = 1
D. Focus: (-9, 2); directrix: y = 0
Mathematics