Question Number 143 by adarshkumar.9935 last updated on 25/Jan/15
![tan (90−θ)=?](https://www.tinkutara.com/question/Q143.png)
$$\mathrm{tan}\:\left(\mathrm{90}−\theta\right)=? \\ $$
Answered by ganeshfrnds231 last updated on 11/Dec/14
![sec](https://www.tinkutara.com/question/Q144.png)
$${sec} \\ $$
Commented by vkulkarni last updated on 11/Dec/14
![tan (90−θ)=cot θ](https://www.tinkutara.com/question/Q145.png)
$$\mathrm{tan}\:\left(\mathrm{90}−\theta\right)=\mathrm{cot}\:\theta \\ $$
Answered by vkulkarni last updated on 11/Dec/14
![cot θ](https://www.tinkutara.com/question/Q146.png)
$$\mathrm{cot}\:\theta \\ $$