Answers

2015-01-29T22:40:59+05:30
Given B=90degrees
3tanA-5cosB=√3 
3tan A-5cos90=√3
3tanA-5×0=√3
3tan A=√3
tan A=√3/3
tan A=1/√3
tan 30=1/√3 
therefore, A=30degrees
1 5 1