greatwhiteshark
Full Member
- Joined
- May 8, 2005
- Messages
- 279
PROVE: t = theta
Z1/Z2 = r1/r2 [cos(t1 - t2) + i sin(t1 - t2) ]
Z1/Z2 = r1/r2 [cos(t1 - t2) + i sin(t1 - t2) ]
We have: . z<sub>1</sub> .= .r<sub>1</sub>e<sup>(θ<sub>1</sub>)</sup> . and: . z<sub>2</sub> .= .r<sub>2</sub>e<sup>(iθ<sub>2</sub>)</sup>Prove: . z<sub>1</sub>/z<sub>2</sub> . = . (r<sub>1</sub>/r<sub>2</sub>)[cos(θ<sub>1</sub> - θ<sub>2</sub>) + i sin(θ<sub>1</sub> - θ<sub>2</sub>)]
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