Question

in triangle ABC right angled at B,AB=24cm,BC=7cm determine sin C, cosC​

Answer 1

Given AB=24cm, BC=7cm
By Pythagoreas theorem
AC^2=AB^2+BC^2
AC^2=24^2+7^2
AC^2=576+49
AC^2=625
AC=25cm

sinC=AB/AC
=24/25
cosC=BC/AC
=7/25