已知a为锐角,且满足√3tan^2a-4tana+√3=0
问题描述：
已知a为锐角,且满足√3tan^2a-4tana+√3=0
求a度数
答
√3tan²a-4tana+√3=0
(√3tana-1)(tana-√3)=0
√3tana-1=0或tana-√3=0
tana=√3/3或tana=√3
a=30°或a=60°