If sin A:cos A=4:7, then what is the value of 7 sin A−3 cos A7 sin A

1.	If sin A:cos A=4:7, then what is the value of 7 sin A−3 cos A7 sin A+2 cos A?
Answer» If $s i n A : c o s A = 4 : 7$ , then what is the value of $\frac{7 s i n A - 3 c o s A}{7 s i n A + 2 c o s A}$ ?

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