# Test: Trigonometry - Normal

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Question 1:   What is $\mathrm{sin}{30}^{\circ }$ ?
$\frac{\sqrt{3}}{2}$
$0$
$\frac{1}{2}$
$1$
Question 2:   What is $\mathrm{cos}{30}^{\circ }$ ?
$0$
$\frac{1}{2}$
$\sqrt{3}$
$\frac{\sqrt{3}}{2}$
Question 3:   Calculate: $2\mathrm{sin}{60}^{\circ }\mathrm{cos}{30}^{\circ }$
$\frac{1}{2}$
$1\frac{1}{2}$
$6$
$2\sqrt{3}$
Question 4:   Find the length $c$:

$7cm$
$7.5cm$
$65cm$
$8cm$
Question 5:   Find the length of $a$:

$7.23cm$
$6.53cm$
$6.11cm$
$5.51cm$
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