If , , then eliminate…

MATHEMATICS · Subjective · A Level · Mathematics · Trigonometry · Trigonometry

Problem

If xacos⁡θ+ybsin⁡θ=1\frac{x}{a} \cos \theta + \frac{y}{b} \sin \theta = 1 , xasin⁡θ−ybcos⁡θ=1\frac{x}{a} \sin \theta - \frac{y}{b} \cos \theta = 1 , then eliminate θ\theta.

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