This question is exactly same as Ex 8.4, 5 (v) – Trigonometry Class 10 NCERT Book
Please check the answer here
CBSE Class 10 Sample Paper for 2026 Boards - Maths Standard
CBSE Class 10 Sample Paper for 2026 Boards - Maths Standard
Last updated at Aug. 25, 2025 by Teachoo
This question is exactly same as Ex 8.4, 5 (v) – Trigonometry Class 10 NCERT Book
Please check the answer here
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/