Q9) To store/represent a 3D sphere as model-based computer graphics object in my computer I need a minimum of • 3 variables • 2 variables • 4 variables • 1 variable Q10) x(t) = a Cos(t) + cx Y (t) = b Sin(t) + cy For the above ellipse paramteric equation; If l want to flip 90 degrees around (cx, cy), I should have a. x(t) = Cos{t) + cx Y(t) = b Sin(t) cy b. X(t) = b Cos(t) + cx Y (t) = a Sin(t) cy c. X(t) = a Cos(t): cy Y(t) = b Sin(t) + cX d. Y(t) = a Cos(t) + cx x(t) = b Sin(t) + cy

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
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based on samrt computer graphics 

Q9)
To store/represent a 3D sphere as model-based computer graphics object in my computer I need a
minimum of
• 3 variables
• 2 variables
• 4 variables
• 1 variable
Q10)
X(t) = a Cos(t) + cx
Y (t) = b Sin(t) + cy
For the above ellipse paramteric equation; If I want to flip 90 degrees around (cx, cy), I should
have
a.
X(t) = Cos(t) + cx
Y(t) = b Sin(t) cy
b.
X(t) = b Cos(t) + cx
Y (t) = a Sin(t) cy
C.
X(t) = a Cos(t): cy
Y(t) = b Sin(t) + cX
d.
Y(t) = a Cos(t) + cx
X(t) = b Sin(t) + cy
Transcribed Image Text:Q9) To store/represent a 3D sphere as model-based computer graphics object in my computer I need a minimum of • 3 variables • 2 variables • 4 variables • 1 variable Q10) X(t) = a Cos(t) + cx Y (t) = b Sin(t) + cy For the above ellipse paramteric equation; If I want to flip 90 degrees around (cx, cy), I should have a. X(t) = Cos(t) + cx Y(t) = b Sin(t) cy b. X(t) = b Cos(t) + cx Y (t) = a Sin(t) cy C. X(t) = a Cos(t): cy Y(t) = b Sin(t) + cX d. Y(t) = a Cos(t) + cx X(t) = b Sin(t) + cy
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