Решите уравнение \(sin^2x+14sinxcosx = 15cos^2x.\)

• \(\frac{\pi}{4}+\pi n, n \in Z\)
• \(-arctg15+ \pi n , n \in Z\)
• \(\frac{\pi}{4}+2\pi n, n \in Z\)
• \(arctg15+ \pi n , n \in Z\)