Mathematics

Mathematics

Problem

Prove the following identity for 0∘<θ<90∘0^\circ<\theta<90^\circ. a. 1−cos⁡θsin⁡θ=sin⁡θ1+cos⁡θ\dfrac{1-\cos\theta}{\sin\theta}=\dfrac{\sin\theta}{1+\cos\theta}

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