**Q1: **

Simplify .

- A 0
- B
- C
- D

**Q4: **

Given that , find the value of in degrees.

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- E

**Q5: **

Evaluate .

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- D

**Q6: **

Evaluate .

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- D

**Q7: **

Evaluate .

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**Q8: **

Find .

- A
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**Q9: **

Find .

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**Q10: **

Given that , where , and , where , find the exact value of .

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- E

**Q11: **

Given that , where , and , where , find the exact value of .

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- E

**Q13: **

Given that , where , and , where , find the exact value of .

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- E

**Q14: **

Given that , where , and , where , find the exact value of .

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- E

**Q15: **

Given that , where , and , where , find the exact value of .

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- E

**Q16: **

Find given where and where .

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**Q17: **

Find without using a calculator given and where and are acute angles.

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**Q18: **

Find given and where and are acute angles.

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**Q19: **

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

- A
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- E

**Q20: **

Using the relation , find an expression for in terms of and which holds when .

- A
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- E

**Q21: **

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 , , ,