Using calculator to evaluate trigonometric ratios and angles

Using calculator to evaluate trigonometric ratios and angles

Secondary 2

Use the calculator to solve the following equations.

\(x=\sin 65.2{}^\circ \)
\(x=\tan 46.2{}^\circ \)
\(\cos x=0.212\)
\(\tan x=35\)

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Answer:(i) \(0.908\) (ii) \(1.04\) (iii) \(77.8^\circ\) (iv) \(88.4^\circ\)

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