This ques has been asked in 2015 so it is very important question
This question is from the Book- ML Aggarwal
Chapter- Trigonometric Identities
Without using trigonometric tables, evaluate the following (i) (sin 65o/ cos 25o) + (cos 32o/sin 58o) – sin 28o sec 62o + cosec2 30o (ii) (sin 29o/ cosec 61o) + 2 cot 8° cot 17° cot 45° cot 73° cot 82° – 3(sin² 38° + sin² 52°).
Question no. 7th, ML Aggarwal, Class10, chapter 18,