Determine Which of the Following Are Trigonometric Identities $\sin ( \theta ) + \cot ( \theta ) \cos ( \theta ) = \csc ( \theta )$

Determine which of the following are trigonometric identities.
I. $\sin ( \theta ) + \cot ( \theta ) \cos ( \theta ) = \csc ( \theta )$
II. $\cot ( \theta ) - \sin ( \theta ) \cos ( \theta ) = 0$
III. $\sin ( \theta ) + \sin ( \theta ) \cos ( \theta ) = \csc ( \theta )$

A) I is the only identity.
B) I and II are the only identities.
C) III is the only identity.
D) I, II, and III are identities.
E) II is the only identity.

Correct Answer:

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