Find the exact value of the expression if ? = 30°. Do not use a calculator.g(?) = sin ?Find 10g(?).
A. 5
B. - 
C. - 
D. 5
Answer: D
Mathematics
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Find the exact value of the expression, if possible. Do not use a calculator.sin-1 
A. 
B. 
C. 
D. 
Mathematics
Solve.x3 + 4x2 - 12x = 0
A. 0, 2, 6 B. 6, -2 C. -6, 0, 2 D. 0, -6
Mathematics
Factor the trinomial completely.27x2 - 117x - 90
A. (27x + 18)(x - 5) B. 9(3x - 2)(x + 5) C. 9(3x + 2)(x - 5) D. prime
Mathematics
Rotate the axes so that the new equation contains no xy-term. Discuss the new equation.xy +16 = 0
A. ? = 45°
- 
= 1
hyperbola
center at (0, 0)
transverse axis is y'-axis
vertices at (0, ±4
)
B. ? = 45°
+ 
= 1
ellipse
center at (0, 0)
major axis is y'-axis
vertices at (0, ±4
)
C. ? = 36.9°
+ 
= 1
ellipse
center at (0, 0)
major axis is the x'-axis
vertices at (±2, 0)
D. ? = 45°
y'2 = -32x'
parabola
vertex at (0, 0)
focus at (-8, 0)
Mathematics