Question

if tan A =3by4,then find the other trignometruc ratio of anle A

Answer 1

tan A=3/4

also tan A =perpendicular/base
therefore perpendicular=3x
base=4x
by Pythagoras theorem
hypotenuse=5x

sinA. 3x/5x=3/5
cosA. 4x/5x=4/5
cosec A. 5/3
secA. 5/4
cotA. 4/3