UPSC NDA I and II 2020 Math Solved Paper
Show Para
DIRECTIONS (Qs. 22-24) : Read the following information and answer the three items that follow:
Letα = β = 15 °
Let
[NDA-I 2020]
© examsiri.com
Question : 23 of 120
Marks:
+1,
-0
What is the value of sin 7 α − cos 7 β ?
[NDA-I 2020]
Go to Question: