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)