ComedkTrigonometric Ratios And IdentitiesCOMEDK 2025 Morning ShiftMCQ+1 / -02025The value of $\frac{1}{2 \sin 10^{\circ}}-2 \sin 70^{\circ}$ isA0B2C$-\frac{3}{2}$D1Check AnswerClear SelectionReveal AnswerShow Explanation