Question

if tanx=¾,find sinx and cosx​

Answer 1

Answer:

in a right angled triangle,

tan x = opposite/adjacent

hypotenuse = ?

using pythagoras theorem,

hypotenuse ^2 = opposite ^2 + adjacent ^2

= 9+16=25

hypotenuse = 5

sin x = opposite/hypotenuse

sin x = 3/5

cos x = adjacent/hypotenuse

cos x = 4/5

hope this helps you