Quiz about Unit Circle IB AA SL QUESTIONS SET 1

Question 1

Based on the unit circle, what is the value of cos(angle)?

Accepted Answer

x coordinate

Answer

y coordinate

Answer

x coordinate / y coordinate

Answer

radius of the unit circle

Question 2

What is in $$\frac{\pi}{6}$$ in degrees?

Accepted Answer

30

Answer

60

Answer

120

Answer

45

Question 3

TRUE or FALSE: For a positive angle, we move anticlockwise around the unit circle.

Accepted Answer

TRUE

Answer

FALSE

Question 4

TRUE OR FALSE: $$ an heta\ =\ \frac{\sin heta}{\cos heta}$$

Accepted Answer

TRUE

Answer

FALSE

Question 5

If $$\sin heta>0\ and\ \cos> heta$$ , what quadrant is angle $$ heta$$ in?

Accepted Answer

1

Answer

2

Answer

3

Answer

4

Question 6

If $$\sin heta<0\ and\ \cos> heta$$ , what quadrant is angle $$ heta$$ in?

Accepted Answer

4

Answer

1

Answer

2

Answer

3

Question 7

If $$\sin heta<0\ and\ an heta>0$$ , what quadrant is angle $$ heta$$ in?

Accepted Answer

3

Answer

1

Answer

2

Answer

4

Question 8

TRUE OR FALSE: $$\left(\cos\left(- heta ight),\sin\left(- heta ight) ight)$$ is in quadrant 4 if $$0< heta<\frac{\pi}{2}$$

Accepted Answer

TRUE

Answer

FALSE

Question 9

TRUE OR FALSE: $$\cos\left( heta+8\pi ight)\ =\ \cos heta$$

Accepted Answer

TRUE

Answer

FALSE

Question 10

TRUE OR FALSE: $$\sin\left( heta-\pi ight)\ =\ \sin heta$$

Accepted Answer

FALSE

Answer

TRUE

Question 11

TRUE OR FALSE: $$ an\left( heta+3\pi ight)\ =\ an heta$$

Accepted Answer

TRUE

Answer

FALSE

Question 12

TRUE OR FALSE: $$\cos\left(80\degree\right)>\sin\left(80\degree\right)$$

Accepted Answer

FALSE

Answer

TRUE

Unit Circle IB AA SL QUESTIONS SET 1

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