If sin A: Cos A=4:7, then the value of (7sinA
-3cosA)/(7sinA +2cosA)
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Answer:
1/7
Step-by-step explanation:
sina/cosa : 1 = 4/7 : 1
=> tana = 4/7
from question
7tana - 3/7tana + 3
=> 7(4/7) - 3 / 7(4/7) + 3
=> 4 - 3/ 4 + 3
=> 1/7
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