Class 10 Maths (Trigonometry), sin theta /(cosec theta + cot theta) = 2 + sin theta /( cot theta -

Prove that- sin theta /(cosec theta + cot theta) = 2 + sin theta /( cot theta - cosec theta) Maths Class 10 Chapter- 8, Introduction to Trigonometry RD Sharma Question ????We are supposed to cover NCERT Book, NCERT Exemplar Questions, RD Sha