Вычислить \(arccos(-\frac{\sqrt2}{2})-arcsin(-\frac{\sqrt3}{2})\)

• \(\frac{7\pi}{12}\)
• \(\frac{\pi}{12}\)
• \(\frac{13\pi}{12}\)
• \(\frac{5\pi}{12}\)
• \(-\frac{5\pi}{12}\)