Saved Bookmarks
| 1. |
In triangle ABC, LC=90tanA= 1/3findSin A CosB + Cos A SinB |
|
Answer» Step-by-step EXPLANATION: Step-by-step explanation: tanA=BC/AB=1/root 3 Thus BC=1 AB=root 3 AB2+BC2=AC2 Thus AC=2(BY PYTHAGORAS THEORM) SinAcosC+cosAsinC=1/2*1/2+root3 /2*root3/2 =1/4+3/4 =4/4 =1 |
|