my problem 1:
given: A = 42 ; a = 6.4 ; b = 4.7
FIND ANGLE--> B
formula:
b = a sin B/sin A
i end up with
4.7 = 6.4 sin B/sin 42
(after this i don't know what to do)
AND ALSO! how can i solve problems with one angle and two sides? please i need help fast! thank you!
+4 
