Without using a calculator, determine the value of the trigonometric function or state that the value is undefined.csc 
A. undefined
B. -1
C. 0
D. 1
Answer: B
Mathematics
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Solve the problem.Emma's rubik cube has 216 cm2 of area. Each side of Sophie's cube is twice as wide as Emma's. Find the area of Sophie's cube.
A. 144 cm2 B. 72 cm2 C. 432 cm2 D. 864 cm2
Mathematics
Eliminate the parameter t. Find a rectangular equation for the plane curve defined by the parametric equations.x = 5 tan t, y = 4 sec t; 0 ? t ? 2?
A. 
- 
= 1; -? < x < ?
B. 
+ 
= 1; -? < x < ?
C. y = x2 - 9; -3 ? x ? 3
D. y = 4
; -? < x < ?
Mathematics
Simplify. Assume that each variable is nonnegative.x2
- x3
+ 9x
A. -6x3
B. 12x3
C. 12x3
D. 13x3
Mathematics
Use a calculator to find the logarithm. Give an approximation to four decimal places.ln 0.986
A. -0.0141 B. 0.0061 C. -0.0061 D. 0.0141
Mathematics