**Q2: **

Find given where and where .

- A
- B
- C
- D
- E

**Q3: **

Find the value of given where and where .

- A
- B
- C
- D

**Q4: **

is a triangle where and . Find without using a calculator.

- A
- B
- C0
- D

**Q5: **

Find given where and where .

- A0
- B
- C
- D

**Q6: **

Find given and where and are acute angles.

- A0
- B
- C
- D

**Q7: **

Find , given where and where .

- A
- B
- C
- D
- E

**Q8: **

Find given and where and are two positive acute angles.

- A
- B
- C
- D
- E

**Q9: **

Let us consider the two shown figures, each showing two points on the unit circle.

How is the figure on the right obtained from the figure on the left?

- Aby rotating by an angle of about the origin
- Bby rotating by an angle of about the origin
- Cby rotating by an angle of about the origin
- Dby rotating by an angle of about the origin
- Eby rotating by an angle of about the origin

What can you say about the triangles and ?

- AThey are congruent.
- BThey are isosceles.
- CThey are equilateral.
- DThey are similar.
- EThey are different.

Find the coordinates of , , , and .

- A , , ,
- B , , ,
- C , , ,
- D , , ,
- E , , ,

Calculate the lengths of and .

- A ,
- B ,
- C ,
- D ,
- E ,

Use what you found in the previous questions to find an expression for .

- A
- B
- C
- D
- E

**Q10: **

Find given where and where .

- A
- B
- C
- D
- E

**Q11: **

Evaluate .

- A
- B
- C
- D

**Q12: **

In triangle , and are acute angles, where and . Without using a calculator, find the value of .

- A
- B
- C
- D
- E

**Q13: **

Using the relation , find an expression for .

- A
- B
- C
- D

**Q14: **

Find given where and where .

- A
- B
- C
- D1

**Q15: **

Find given and where and are acute angles.

- A
- B
- C
- D
- E

**Q16: **

Given that , where is a positive acute angle, determine without using a calculator.

- A
- B
- C
- D

**Q17: **

Which of the following is equivalent to ?

- A
- B
- C
- D

**Q18: **

Given that , where , and , where , determine .

- A
- B
- C
- D

**Q19: **

Evaluate .

- A
- B
- C
- D

**Q20: **

Find given and where and are acute angles.

- A
- B
- C
- D1

**Q21: **

Given that and , where and are two positive acute angles, determine .

- A
- B
- C
- D

**Q22: **

Given that and , where and are two positive acute angles, determine .

- A
- B
- C
- D

**Q23: **

Find given where and where .

- A
- B
- C
- D

**Q24: **

If , where , and , where , find .

- A
- B
- C
- D

**Q25: **

Find given where and where .

- A
- B
- C
- D
- E