Answer:
Step-by-step explanation:
sin A = 5/13
sin B = 12/13
cos A = 12/13
cos B = 5/13
tan A = 12/5
tan B = 5/12
a) 7. (b) 1. (c) 11
360/30-1=11
360/45-1=7
360/1801=1
idu
4+8*12=45
a