## Quiz by Hannah Jean Rico

Mathematics

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10 questions
• Q1
30s
• Q2

What is the exact value of cot 60o?

$\frac\left\{\sqrt\left\{3\right\}\right\}\left\{3\right\}$

$\frac\left\{1\right\}\left\{2\right\}$

$\sqrt\left\{2\right\}$

$\sqrt\left\{3\right\}$

30s
• Q3

What is the exact value of tan 30o?

$\sqrt\left\{3\right\}$

$\frac\left\{\sqrt\left\{3\right\}\right\}\left\{3\right\}$

$\frac\left\{1\right\}\left\{2\right\}$

1

30s
• Q4
30s
• Q5

If the hypotenuse of a 30o-60o-90triangle is 18 units, how long is the leg adjacent to 60o?

9

18

$3\sqrt\left\{3\right\}$

$9\sqrt\left\{3\right\}$

30s
• Q6

Which is the simplified value of (2 csc 45o)2?

8

10

4

6

30s
• Q7
30s
• Q8

Marcell flew a kite which has a string of 100 meters long and it makes an angle of 60o  with the horizontal (imaginary) line. What is the height of the kite? (Assuming that there is no slack in the string)

$5\sqrt\left\{3\ \right\}m$

$\left\left(5+5\sqrt\left\{3\right\}\right\right)m$

$30\sqrt\left\{5\ \right\}\ m$

$50\sqrt\left\{3\right\}\ m$

30s
• Q9
30s
• Q10

What is the simplified value of -2tan(x+30o) when x =30o?

$2$

$2\sqrt\left\{3\right\}$

$-2$

$-2\sqrt\left\{3\right\}$

30s

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