To simplify this expression, we first need to use the trigonometric identity:
sin^2(a) - cos^2(a) = -cos(2a)
So, we have:
18(sin^2(24) - cos^2(24)) cos(48)= 18(-cos(48)) [using the trigonometric identity]= -18cos(48)
To simplify this expression, we first need to use the trigonometric identity:
sin^2(a) - cos^2(a) = -cos(2a)
So, we have:
18(sin^2(24) - cos^2(24)) cos(48)
= 18(-cos(48)) [using the trigonometric identity]
= -18cos(48)