ComedkTrigonometric Ratios And IdentitiesCOMEDK 2025 Evening ShiftMCQ+1 / -02025The value of $\frac{\sin ^2 20^{\circ}+\cos ^4 20^{\circ}}{\sin ^4 20^{\circ}+\cos ^2 20^{\circ}}$ is :A0B2C1D$\frac{1}{2}$Check AnswerClear SelectionReveal AnswerShow Explanation