Question

In triangle ABC, Angle A =90degrees If AB =7 and BC-AC=1cm find sin c, tan b,

Answer 1

so the answer
sin c=7/25
tan B=24/7

Answer 2

if AB=7, AC=BC-1, BC=BC

7²+(BC-1)²=BC²
49+BC²+1-2BC= BC²
50=2BC
25=BC
AC=BC-1=25-1=24cm

7=base, 24=height, 25= hypotenuse
sinc =24/24
tanb =25/7