问题
填空题
sin45°cos15°+cos45°sin15°的值为______.
答案
sin45°cos15°+cos45°sin15°
=sin(45°+15°)
=sin60°
=
.3 2
故答案为:3 2
sin45°cos15°+cos45°sin15°的值为______.
sin45°cos15°+cos45°sin15°
=sin(45°+15°)
=sin60°
=
.3 2
故答案为:3 2