Trigonometry - Trigonometric Equations

Trigonometry - Trigonometric Equations

TGM Original Questions

Solve each of the following equations.

\(\cos x = -0.3092\), \(0 \leq x \leq 2\pi\)
\(\tan x = -4.3092\), \(0^\circ \leq x \leq 360^\circ\)

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Answer:(i) \(1.89, 4.40\) rad. (ii) \(103.1^\circ, 283.1^\circ\).

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