IF $\frac{cosec\theta+sin\theta}{cosec\theta-sin\theta}$ =$\frac{5}{3}$ then the value of sin is equal to

IF $\frac{cosec\theta+sin\theta}{cosec\theta-sin\theta}$ =$\frac{5}{3}$ then the value of sin is equal to
1). 1/2
2). 1/ √2
3). √3 / 2
4). 1

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