NDA Math Trigonometric Ratios of Angles and Equations Part 2

© examsiri.com
Question : 17 of 75
 
Marks: +1, -0
What is sin2(‌
Ï€
4
+θ
)
−sin2(‌
Ï€
4
−θ
)
equal to ?
[NDA-I 2022]
Go to Question: