This question is exactly same as Ex 8.4, 5 (v) – Trigonometry Class 10 NCERT Book

Please check the answer here

https://www.teachoo.com/1835/539/Ex-10.2--9---In-fig--XY-and-X-Y--are-two-parallel-tangents/category/Ex-10.2/

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Question 29 ( Choice B) Prove that "𝑐𝑜𝑠 𝐴 − 𝑠𝑖𝑛 𝐴 + 1" /"𝑐𝑜𝑠 𝐴 + 𝑠𝑖𝑛 𝐴 − 1" = cosec A + cot AThis question is exactly same as Ex 8.4, 5 (v) – Trigonometry Class 10 NCERT Book Please check the answer here https://www.teachoo.com/1835/539/Ex-10.2--9---In-fig--XY-and-X-Y--are-two-parallel-tangents/category/Ex-10.2/

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Davneet Singh

Davneet Singh has done his B.Tech from Indian Institute of Technology, Kanpur. He has been teaching from the past 15 years. He provides courses for Maths, Science and Computer Science at Teachoo