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if-tanx-1-3-or-other-except-standard-values-how-to-find-x-




Question Number 22268 by Sanjay Deore last updated on 14/Oct/17
if tanx = (1/3) or other (except standard   values) how to find x
$$\mathrm{if}\:\mathrm{tanx}\:=\:\frac{\mathrm{1}}{\mathrm{3}}\:\mathrm{or}\:\mathrm{other}\:\left(\mathrm{except}\:\mathrm{standard}\:\right. \\ $$$$\left.\mathrm{values}\right)\:\mathrm{how}\:\mathrm{to}\:\mathrm{find}\:\mathrm{x} \\ $$
Commented by $@ty@m last updated on 14/Oct/17
using trigonometric tables
$${using}\:{trigonometric}\:{tables} \\ $$
Commented by ajfour last updated on 14/Oct/17
using scale and protractor .
$${using}\:{scale}\:{and}\:{protractor}\:. \\ $$
Answered by squidward last updated on 14/Oct/17
tanx=a  x=tan^(−1) (a)=arctan(a)  then use calculator, if you want to know  how to calculate x without calculator  let me know
$${tanx}={a} \\ $$$${x}={tan}^{−\mathrm{1}} \left({a}\right)={arctan}\left({a}\right) \\ $$$${then}\:{use}\:{calculator},\:{if}\:{you}\:{want}\:{to}\:{know} \\ $$$${how}\:{to}\:{calculate}\:{x}\:{without}\:{calculator} \\ $$$${let}\:{me}\:{know} \\ $$

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