Question Number 66199 by aliesam last updated on 10/Aug/19
![calculate cos(79)=?](https://www.tinkutara.com/question/Q66199.png)
$${calculate} \\ $$$${cos}\left(\mathrm{79}\right)=? \\ $$
Commented by $@ty@m123 last updated on 10/Aug/19
![Use trigonometrical table. OR Scientific calculator](https://www.tinkutara.com/question/Q66200.png)
$${Use}\:{trigonometrical}\:{table}. \\ $$$${OR}\: \\ $$$${Scientific}\:{calculator} \\ $$
Commented by GordonYeeman last updated on 10/Aug/19
![I don′t think that′s the point. The best way I can find is using taylor series and then introducing the number.](https://www.tinkutara.com/question/Q66201.png)
$${I}\:{don}'{t}\:{think}\:{that}'{s}\:{the}\:{point}. \\ $$$${The}\:{best}\:{way}\:{I}\:{can}\:{find}\:{is}\:{using}\: \\ $$$${taylor}\:{series}\:{and}\:{then}\:{introducing}\: \\ $$$${the}\:{number}. \\ $$
Commented by aliesam last updated on 10/Aug/19
![thats right try that](https://www.tinkutara.com/question/Q66209.png)
$${thats}\:{right}\:{try}\:{that} \\ $$