Solving Basic Trigonometric Equations

Solving Basic Trigonometric Equations

Secondary 2

Use the calculator to solve the following equations.

\(x=\sin 13.2{}^\circ \)
\(x=\tan 6.3{}^\circ \)
\(\cos x=0.356\)
\(\sin x=0.885\)

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Answer:(i) \(0.228\) (ii) \(0.110\) (iii) \(69.1^\circ\) (iv) \(62.3^\circ\)

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