UPSC CDS II 2024 Math Paper

© examsiri.com
Question : 40 of 100
 
Marks: +1, -0
What is ‌
sin‌⁡θ‌−2 sin‌3⁡θ‌
2‌cos‌3⁡θ−cos⁡θ
equal to?
Go to Question: