Answer:
Step-by-step explanation:
12²+16²=144+256=400=20²
so it is a right angled triangle.
let BC bebase and AB=height or perpendicular
AC=hypotenuse
sinC=12/20=3/5=0.6
cosC=16/20=4/5=0.8
tan C=12/16=3/4=0.75
similarly sin A=16/20=4/5=0.8
cos A=12/20=3/5=0.6
tan A=16/12=4/3≈1.33