cos^2(15°) - sin^2(15°)
Using the trigonometric identity cos^2(x) - sin^2(x) = cos(2x), we have:
cos^2(15°) - sin^2(15°) = cos(2*15°)
cos(30°)
Since cos(30°) is equal to √3/2, the final answer is:
√3/2
cos^2(15°) - sin^2(15°)
Using the trigonometric identity cos^2(x) - sin^2(x) = cos(2x), we have:
cos^2(15°) - sin^2(15°) = cos(2*15°)
cos(30°)
Since cos(30°) is equal to √3/2, the final answer is:
√3/2