Question

If tan A =3/4 then calculate Sin A

Answer 1

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