If tan A =3/4 then calculate Sin A
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Answer:
sinA = 3/5
Step-by-step explanation:
tanA = p/b { p for perpendicular ,b for base , h for hypoteneus}
comparing, we get p/b =3/4
LET, p = 3 than b= 4
according to Pythagoras theorem, h² = p² + b²
=> h² = 3²+4² = 9+16 = 25
=> h=√25=5
Now , sin A = p/h
=> sinA = 3/5
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