# Test: Trigonometry - Normal

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

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

$5.51cm$
$6.53cm$
$7.23cm$
$6.11cm$
Question 6:   Find the length of $b$:

$2\sqrt{3}$
$\frac{\sqrt{3}}{3}cm$
$3\sqrt{3}cm$
$\sqrt{3}$
Question 7:   Find the angle $\alpha$:

${24.44}^{\circ }$
${27.03}^{\circ }$
${32.15}^{\circ }$
${62.96}^{\circ }$
Question 8:   Find the angle $\alpha$:

${67.38}^{\circ }$
${61.7}^{\circ }$
${28.3}^{\circ }$
${32.58}^{\circ }$
Question 9:   Find the angle $\alpha$:

${36.87}^{\circ }$
${53.13}^{\circ }$
${48.59}^{\circ }$
${41.41}^{\circ }$
Question 10:   Find the angle $\alpha$:

${22.83}^{\circ }$
${66.99}^{\circ }$
${24.9}^{\circ }$
${65.1}^{\circ }$