Question

Please answer the question with proper explanation

1st one

Answer 1

h = ab=10cm
b=bc=8cm
p=ac=6cm
sin b=$\frac{p}{h}$=$\frac{ac}{ab}$=$\frac{6}{10}$=$\frac{3}{5}$
tan b=$\frac{p}{b}$=$\frac{ac}{bc}=\frac{6}{8}=\frac{3}{4}$