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Use the Definitions (Not a Calculator) to Evaluate the Six −720∘- 720 ^ { \circ }

Question 2

Multiple Choice

Use the definitions (not a calculator) to evaluate the six trigonometric functions of the angle. −720∘- 720 ^ { \circ }


A) sin⁡(−720∘) =1tan⁡(−720∘)  is undefined csc⁡(−720∘) =1cos⁡(−720∘) =0cot⁡(−720∘) =0sec⁡(−720∘)  is undefined \begin{array} { l l l } \sin \left( - 720 ^ { \circ } \right) = 1 & \tan \left( - 720 ^ { \circ } \right) \text { is undefined } & \csc \left( - 720 ^ { \circ } \right) = 1 \\\cos \left( - 720 ^ { \circ } \right) = 0 & \cot \left( - 720 ^ { \circ } \right) = 0 & \sec \left( - 720 ^ { \circ } \right) \text { is undefined }\end{array}
B) sin⁡(−720∘) =−1tan⁡(−720∘)  is undefined csc⁡(−720∘) =−1cos⁡(−720∘) =0cot⁡(−720∘) =0sec⁡(−720∘)  is undefined \begin{array} { l l l } \sin \left( - 720 ^ { \circ } \right) = - 1 & \tan \left( - 720 ^ { \circ } \right) \text { is undefined } & \csc \left( - 720 ^ { \circ } \right) = - 1 \\\cos \left( - 720 ^ { \circ } \right) = 0 & \cot \left( - 720 ^ { \circ } \right) = 0 & \sec \left( - 720 ^ { \circ } \right) \text { is undefined }\end{array}
C) sin⁡(−720∘) =0tan⁡(−720∘) =0csc⁡(−720∘)  is undefined cos⁡(−720∘) =−1cot⁡(−720∘)  is undefined sec⁡(−720∘) =−1\begin{array} { l l l } \sin \left( - 720 ^ { \circ } \right) = 0 & \tan \left( - 720 ^ { \circ } \right) = 0 & \csc \left( - 720 ^ { \circ } \right) \text { is undefined } \\\cos \left( - 720 ^ { \circ } \right) = - 1 & \cot \left( - 720 ^ { \circ } \right) \text { is undefined } & \sec \left( - 720 ^ { \circ } \right) = - 1\end{array}
D) sin⁡(−720∘)  is undefined tan⁡(−720∘)  is undefined csc⁡(−720∘)  is undefined cos⁡(−720∘) =1cot⁡(−720∘) =1sec⁡(−720∘) =1\begin{array} { l l l } \sin \left( - 720 ^ { \circ } \right) \text { is undefined } & \tan \left( - 720 ^ { \circ } \right) \text { is undefined } & \csc \left( - 720 ^ { \circ } \right) \text { is undefined } \\\cos \left( - 720 ^ { \circ } \right) = 1 & \cot \left( - 720 ^ { \circ } \right) = 1 & \sec \left( - 720 ^ { \circ } \right) = 1\end{array}
E) sin⁡(−720∘) =0tan⁡(−720∘) =0csc⁡(−720∘)  is undefined cos⁡(−720∘) =1cot⁡(−720∘)  is undefined sec⁡(−720∘) =1\begin{array} { l l l } \sin \left( - 720 ^ { \circ } \right) = 0 & \tan \left( - 720 ^ { \circ } \right) = 0 & \csc \left( - 720 ^ { \circ } \right) \text { is undefined } \\\cos \left( - 720 ^ { \circ } \right) = 1 & \cot \left( - 720 ^ { \circ } \right) \text { is undefined } & \sec \left( - 720 ^ { \circ } \right) = 1\end{array}

Correct Answer:

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