The expressions are $\sin 23^\circ$, $\tan 54^\circ$, and $\cos 77^\circ$.
Step 2: Evaluate $\sin 23^\circ$.
Using a calculator, find the value of $\sin 23^\circ$.
$\sin 23^\circ \approx 0.3907311284892737$
Round this to the nearest hundredth. The third decimal
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