Math, asked by lokitagedam, 6 months ago

If sin A=4/5 then find the other trigonometric ratio value

Answers

Answered by guduruprameela60
2

Answer:

cosA =3/5

Step-by-step explanation:

by Pythagoras theorem

Ac²=AB²+BC²

(5)²=AB²+4²

25=AB²+16

AB²=25-16

AB²=9

AB=3

cosA=adjacent side to A/hypotenuse

cosA=3/5

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