计算分子=[2sin50+cos10(1+根号3tan10)] =2sin50+cos10+.5根号3sian10=2sin50+2(.5cos10+.5根号3sian10)=2sin50+2(cos60cos10+sin60sian10)=2sin50+2cos50=2根号2sian95=2根号2cos5
分母=根号2cos5
结果=2
计算分子=[2sin50+cos10(1+根号3tan10)] =2sin50+cos10+.5根号3sian10=2sin50+2(.5cos10+.5根号3sian10)=2sin50+2(cos60cos10+sin60sian10)=2sin50+2cos50=2根号2sian95=2根号2cos5
分母=根号2cos5
结果=2