lim as $\displaystyle \theta$ approaches $\displaystyle 0$ $\displaystyle \frac{\sin({\cos({5\Theta})})}{\sec(6\Theta)}$
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Remember that $\displaystyle \frac{1}{\sec{(6\theta)}}=\cos(6\theta)$ You should also know that $\displaystyle \sec(x)$ is continuous at 0. $\displaystyle sec(0)=1$
answer sin(1)