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Advanced Trigonometry, SMB-038

Identify all \(\theta\) values between  \(0^{\circ} \leq \theta \leq 360^{\circ}\), such that

\(\tan\,\theta=-\dfrac{1}{\sqrt{3}} \)   (2 marks)

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\(\theta=150^{\circ}, 330^{\circ}\)

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\(\text{Reference angle:}\ \ \tan\,\theta=\dfrac{1}{\sqrt{3}}\ \ \Rightarrow \ \ \theta = 30^{\circ}\)

\(\text{tan is negative in 2nd/4th quadrants.}\)

\(\theta=(180-30)^{\circ}, (360-30)^{\circ}=150^{\circ}, 330^{\circ}\)

Filed Under: Exact Values, Equations and Trig Graphs Tagged With: Band 4, num-title-ct-pathd, smc-5610-30-tan

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