UPSC NDA 2 2019 Mathematics Solved Paper

© examsiri.com

Question : 64 of 120

Marks: +1, -0

What is sin(α+β)−2‌sin‌α‌cos‌β+sin(α−β) equal to?

[NDA II 2019]

0
2 sinα
2 sin β
sin α + sin β

Go to Question:

Prev Question

Next Question