AP EAMCET Engineering 22 Apr 2019 Shift 2 Paper
© examsiri.com
Question : 22 of 160
Marks:
+1,
-0
For α = 0 , if cos (θ + α) , cos θ and cos (θ - α) are in harmonic progression, then s e c 2 c o s 2
Go to Question: