@@shortZ490 Yaar tan inverse 1 is 45 in the table given in the book but how to resolve it on calculator I think so that was also your problem well I am not here to show the solution then why did u clicked or tapped on show more actually thats also my problem dude
I have also watched your previous video about resolution of forces and that was just perfect I have understand it in 15 minutes It helped me a lot Thanks