Which is the smallest fraction among the following fractions? \(\frac{3}{9}, \frac{8}{14}, \frac{5}{8}, \frac{4}{9}\)
\( \frac{8}{14} \)
\( \frac{5}{8} \)
\( \frac{4}{9} \)
\( \frac{3}{9} \)
The value of sin45°sec45°tan45° + cos60°sin30°sin90° − 4cos60° is:
-\( \frac{5}{4} \)
\( \frac{5}{4} \)
-\( \frac{3}{4} \)
\( \frac{3}{4} \)