Pythagorean Identities

Practice: Pythagorean Identities

Which of the following is equivalent to sinθsecθ1+sinθ1+secθ\dfrac{\sin\theta}{\sec\theta-1}+\dfrac{\sin\theta}{1+\sec\theta}?
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More Pythagorean Identities Questions:
More Pythagorean Identities Questions: