Use the Definitions (Not a Calculator) to Evaluate the Six $2 \pi$

Use the definitions (not a calculator) to evaluate the six trigonometric functions of the given angle: $2 \pi$

A) $\sin 2 \pi = 0 , \cos 2 \pi = 1 , \tan 2 \pi = 0 , \sec 2 \pi = 1 , \csc 2 \pi \text { is undefined, } \cot 2 \pi \text { is undefined. }$
B) $\sin 2 \pi = 1 , \cos 2 \pi = 1 , \tan 2 \pi = 1 , \sec 2 \pi = 1 , \csc 2 \pi = 1 , \cot 2 \pi = 1$
C) $\sin 2 \pi = 0 , \cos 2 \pi = 1 , \tan 2 \pi \text { is undefined, } \sec 2 \pi \text { is undefined. } \csc 2 \pi = 0 , \cot 2 \pi = 1$
D) $\sin 2 \pi = - 1 \cdot \cos 2 \pi = 1 \cdot \tan 2 \pi = - 1 \cdot \sec 2 \pi = 1 \cdot \csc 2 \pi = 1 \cdot \cot 2 \pi = 1$
E) $\sin 2 \pi = 1 , \cos 2 \pi = 0 , \tan 2 \pi \text { is undefined, } \sec 2 \pi \text { is undefined. } \csc 2 \pi = - 1 , \cot 2 \pi = 0$

Correct Answer:

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