\text { Solve the equation } \cos \theta=\frac{1}{4} \text { for } 0^{\circ} \leq \theta<360^{\circ} \text {, } \text { ii. Find the two solutions of the equation } 4 \sin ^{2} x-3 \cos x-3=0 \text {, for } 0^{\circ} \leq \theta \leq 180^{\circ} \text {, }

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