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/

Prove that  "𝑐𝑜𝑠𝐴−𝑠𝑖𝑛𝐴+1" /"𝑐𝑜𝑠𝐴+𝑠𝑖𝑛𝐴−1"  = cosecA - CBSE Class 10 Sam - CBSE Class 10 Sample Paper for 2026 Boards - Maths Standard

 

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Transcript

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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