Question

Q13.
It tan A = 4/3 then sin A.=​

Answer 1

Answer:

sin A =4/5

Step-by-step explanation:

refer photos

Answer 2

Step-by-step explanation:

tan A = p/b

tan A = 4/3= p/b

let p= 4k and b = 3k

by Pythagoras theorem

H²= P²+b²

H²=( 4k)²+(3k)²

H²= 16k²+9k²

H ²= 25k²

H² = (5k)²

H= 5k

now sin A = p/h

= 4k/5k

= 4/5