Mht CetTrigonometric Ratios And IdentitiesMHT CET 2026 11th April Evening ShiftMCQ+2 / -02026The value of $\cos^2 10^\circ - \cos 10^\circ \cos 50^\circ + \cos^2 50^\circ$ is equal to....A$\dfrac{1}{4}$B$\dfrac{1}{2}$C$\dfrac{3}{4}$D$1$Check AnswerClear SelectionReveal AnswerShow Explanation