Solve $tan x = 3$ for $0^{\circ} \leq x \leq 36 0^{\circ}$ .

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Express $3 cos θ - 4 sin θ$ in the form $R cos (θ + α)$ , where $R > 0$ and $0^{\circ} < α < 9 0^{\circ}$ .
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Solve tan x = sqrt(3) for 0 circ <… | Singapore GCE O-Level