Mathematics, 19.11.2020 02:10 makayla4141
Evaluate the following trigonometric expression, using the principal value for the cosine tan(Cos-1(-1/2))
Answers: 2
     ![[\because \cos^{-1}(-\theta)=\pi -\cos^{-1}\theta]](/tpl/images/0911/5990/0a343.png)
   ![[\because \cos \dfrac{\pi}{3}=\dfrac{1}{2}]](/tpl/images/0911/5990/0ab44.png)
        ![[\because \tan(\pi-\theta)=-\tan \theta]](/tpl/images/0911/5990/153fd.png)
    ![[\because \tan \dfrac{\pi}{3}=\sqrt{3}]](/tpl/images/0911/5990/29bf3.png)
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Evaluate the following trigonometric expression, using the principal value for the cosine
tan(Cos-1...
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