Bro can someone please help me on these three questions I’ve been trying to get help on these questions for like the past 30 minutes please help me

Step-by-step explanation:

1). By applying cosine rule in the given triangle,

   cos(x°) =

   cos(x°) =

   x =

   x = 41.41°

2). By applying cosine rule in the given triangle,

   cos(x°) =

   cos(x°) =

   x =

   x = 36.87°

3). By applying cosine rule in the given triangle,

   cos(x°) =

   cos(x°) =

   x =

   x = 53.13°