Need help ASAP

Note 

sin 23  =  cos(90 - 23)   =  cos (67°)....so x  = 67

The second one seems trickier than it really is

RP....note that

sin P  =  cosR       and

cos P  =  sin R

so

Sin R  - cos R   =

Cos P  - Sin P  =   .8192   - . 5736  =   0.2456

Edit to correct a previous mistake  !!!