1.The general solution of equation 4cos2x+6sin2x=54\cos^2 x + 6\sin^2 x = 54cos2x+6sin2x=5 isa.x=nπ±π2x = n\pi \pm \dfrac{\pi}{2}x=nπ±2πb.x=nπ±π4x = n\pi \pm \dfrac{\pi}{4}x=nπ±4πc.x=nπ±3π2x = n\pi \pm \dfrac{3\pi}{2}x=nπ±23πd.None of theseLogin to continueOnly logged in users canattempt or see the solution.
