**Q3: **

Express in algebraic form.

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**Q8: **

Given that , determine the trigonometric form of .

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**Q9: **

If , what is ?

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**Q10: **

Simplify , giving your answer in both algebraic and trigonometric form.

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

**Q11: **

Simplify , giving your answer in both algebraic and trigonometric form.

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

**Q12: **

Given that , determine the trigonometric form of the complex number .

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**Q13: **

Given that , express the complex number in the form of , and then determine its trigonometric form.

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- B ,
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- D ,

**Q14: **

Determine, in trigonometric form, the square roots of .

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- B ,
- C ,
- D ,

**Q15: **

Simplify , giving your answer in both algebraic and trigonometric form.

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

**Q19: **

Given that and the argument of is , find , giving your answer in algebraic form.

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**Q20: **

Given that and the argument of is , find , giving your answer in algebraic form.

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**Q21: **

Given that and the argument of is , find , giving your answer in algebraic form.

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**Q22: **

Given that , determine the algebraic form of , approximating the real and imaginary parts to the nearest two decimal places.

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**Q23: **

Given that , find the principal argument of , where .

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**Q24: **

Find .

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Find .

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Hence, express the complex number in rectangular form.

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**Q25: **

Given that , find .

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