![trigonometry - What is the principal value of $\tan^{-1}(\frac{-y}{-x})$? - Mathematics Stack Exchange trigonometry - What is the principal value of $\tan^{-1}(\frac{-y}{-x})$? - Mathematics Stack Exchange](https://i.stack.imgur.com/RQBOz.jpg)
trigonometry - What is the principal value of $\tan^{-1}(\frac{-y}{-x})$? - Mathematics Stack Exchange
![INVERSE TANGENT GEO200 tan = opposite adjacent = tan -1 opposite adjacent INVERSE TANGENT: (tan -1 ) finds the measure of the angle of a right triangle. - ppt download INVERSE TANGENT GEO200 tan = opposite adjacent = tan -1 opposite adjacent INVERSE TANGENT: (tan -1 ) finds the measure of the angle of a right triangle. - ppt download](https://slideplayer.com/8873706/26/images/slide_1.jpg)
INVERSE TANGENT GEO200 tan = opposite adjacent = tan -1 opposite adjacent INVERSE TANGENT: (tan -1 ) finds the measure of the angle of a right triangle. - ppt download
Write the value of the following : tan^-1 (a/b) - tan^-1 (a-b/a+b) - Sarthaks eConnect | Largest Online Education Community
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