110. What is $\displaystyle\lim_{x \to \infty} \dfrac{\sin a \cos x + \cos a \sin x - \sin a}{x}$? (1) $-\sin a$ (2) $-\cos a$ (3) $\cos a$ (4) $\sin a$
\textbf{110.} What is $\displaystyle\lim_{x \to \infty} \dfrac{\sin a \cos x + \cos a \sin x - \sin a}{x}$?
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(1) $-\sin a$ \qquad
(2) $-\cos a$ \qquad
(3) $\cos a$ \qquad
(4) $\sin a$
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