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\begin{aligned} \text { 7. } & \text { (i) } \frac { 1 + \cos \theta + \sin \theta } { 1 + \cos \theta - \sin \theta } = \frac { 1 + \sin \theta } { \cos \theta } \\ \left( \text { ii) } \frac { \sin \theta + 1 - \cos \theta } { \cos \theta - 1 + \sin \theta } \right. & = \frac { 1 + \sin \theta } { \cos \theta } \end{aligned}

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