Question

In the A ABC, AB=AC = 20 cm and BC = 24cm, without
using table, find the values of sin C sin A, cos A as regular
fractions in their lowest terms.​

Answer 1

Answer:

1) sin C = ?

sin C = AB = 20

AC 20

2) sin A = ?

sin A = BC = 24

AC 20

3) cos A =?

cos A = AB = 20

AC 20

hope this will help you.