For all \(\theta\) such that \(\cos{\theta}\neq 0\) and \(\sin{\theta}\neq 0\), which of the following expressions is equal to \(\dfrac{\tan{\theta}}{\sec{\theta}}\) ?

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$$ \frac{\tan{\theta}}{\sec{\theta}} = \tan{\theta}\cdot \frac{1}{\sec{\theta}}$$ $$ = \frac{\sin{\theta}}{\cos{\theta}}\cdot \cos{\theta} $$ $$ = \boxed{\sin{\theta}} $$