find the value of the trigonometric ratio

Answer:
3/5
Step-by-step explanation:
sinA = opposite/hypotenuse = BC/AC = 21/35 = 3/5
Here,
h = 35
p = 28
b = 21
SinA = ?
Now,
SinA = p/h
= 28/35
◆ = 4/5
I hope you understand...
It is a Right answer...
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