tan18+tan42=?
问题描述:
tan18+tan42=?
答
tan(18)+tan(42) = 1.1540742800998那么tan18乘以tan42呢?tan(18)*tan(42) = -2.6060269840851
tan18+tan42=?
tan(18)+tan(42) = 1.1540742800998那么tan18乘以tan42呢?tan(18)*tan(42) = -2.6060269840851