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If \(\theta=45^\circ\), what is the value of \(\tan \theta\)?

Answer and explanation

Correct answer: 1

In a \(45^\circ\)–\(45^\circ\)–\(90^\circ\) right triangle, the two perpendicular sides are equal. Therefore, \(\tan 45^\circ=\frac{\text{perpendicular}}{\text{base}}=1\). The value \(\frac{1}{\sqrt{3}}\) is \(\tan 30^\circ\), so it is not correct here. Exam tip: remember \(\tan 30^\circ,\tan 45^\circ,\tan 60^\circ\) as \(\frac{1}{\sqrt{3}},1,\sqrt{3}\), respectively.

Related tags

Trigonometric FunctionsTangentStandard AnglesStandard ValuesClass 11 MathematicsTrigonometric Functions And Their PropertiesMathematicsClass 12 Mcq

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