Expand the Expression Below and Use Fundamental Trigonometric Identities to Simplify

Expand the expression below and use fundamental trigonometric identities to simplify.
$$( \sin ( \omega ) + \cos ( \omega ) ) ^ { 2 }$$

A) $\sin ^ { 2 } ( \omega ) + \cos ^ { 2 } ( \omega )$
B) $2 \tan ( \omega ) + 1$
C) $2 \sin ( \omega ) \cos ( \omega ) + 1$
D) 1
E) $2 \cot ( \omega ) + 1$

Correct Answer:

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