Question

find the value of sin A cos A
24​

Answer 1

cos a=base/hypotenuse.

let x is included,so base=24 x.

hypotenuse=25 x.

by pythagorus theorem, perpendicular= v(hypotenuse ^2-base ^2) =

v( 625-57 6)x.

V(4,9)x =7 x.

sin a =perpendicular/hypotenuse =7x/25x =7/25.