Use a Graphing Utility to Select the Graph of the Two

question 186

Multiple Choice

Use a graphing utility to select the graph of the two equations in the same viewing window.Use the graphs to determine whether the expressions are equivalent. $\begin{array} { l } y _ { 1 } = 2 \sin x \csc x , \\y _ { 2 } = 2\end{array}$

• A) The expressions are equivalent except sinx = 0, y₁ is undefined.
• B) The expressions are equivalent except when sinx = 0, y₁ is undefined.
• C) The expressions are equivalent except whensinx = 0, y₁ is undefined.
• D) The expressions are equivalent except when sinx = 0, y₁ is undefined.
• E) The expressions are equivalent except when sinx = 0, y₁ is undefined.