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I am not able to solve this equation Please explain in detail ans is b

 I am  not able to solve this equation Please explain in detail ans is b

Question Image
Grade:12th pass

1 Answers

Arun
25763 Points
2 years ago
Dear student
 
We know that equat shiuld be in the form of 
y =  a sin wt
 
Now
 
Here is cos² x type function.
Use cos 2x = 2 cos²x -1 
 
Then you will convert it in cos type function and then cinvert in sin type function. Then you can find everything

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