2/x\
tan |-|
1 \2/
- + -------
2 2
-------------------------------
_____________
/ 2/x\ 2/ /x\\
/ 1 - tan |-| *acos |tan|-||
\/ \2/ \ \2//
$$\frac{\frac{\tan^{2}{\left(\frac{x}{2} \right)}}{2} + \frac{1}{2}}{\sqrt{- \tan^{2}{\left(\frac{x}{2} \right)} + 1} \operatorname{acos}^{2}{\left(\tan{\left(\frac{x}{2} \right)} \right)}}$$
/ /x\ / 2/x\\ /x\ / 2/x\\ \
| 2*tan|-| |1 + tan |-||*tan|-| 2*|1 + tan |-|| |
/ 2/x\\ | \2/ \ \2// \2/ \ \2// |
|1 + tan |-||*|----------------- + -------------------- - ---------------------------|
\ \2// | _____________ 3/2 / 2/x\\ / /x\\|
| / 2/x\ / 2/x\\ |-1 + tan |-||*acos|tan|-|||
| / 1 - tan |-| |1 - tan |-|| \ \2// \ \2//|
\\/ \2/ \ \2// /
--------------------------------------------------------------------------------------
2/ /x\\
4*acos |tan|-||
\ \2//
$$\frac{\left(\tan^{2}{\left(\frac{x}{2} \right)} + 1\right) \left(\frac{2 \tan{\left(\frac{x}{2} \right)}}{\sqrt{- \tan^{2}{\left(\frac{x}{2} \right)} + 1}} - \frac{2 \left(\tan^{2}{\left(\frac{x}{2} \right)} + 1\right)}{\left(\tan^{2}{\left(\frac{x}{2} \right)} - 1\right) \operatorname{acos}{\left(\tan{\left(\frac{x}{2} \right)} \right)}} + \frac{\left(\tan^{2}{\left(\frac{x}{2} \right)} + 1\right) \tan{\left(\frac{x}{2} \right)}}{\left(- \tan^{2}{\left(\frac{x}{2} \right)} + 1\right)^{\frac{3}{2}}}\right)}{4 \operatorname{acos}^{2}{\left(\tan{\left(\frac{x}{2} \right)} \right)}}$$
/ 2 2 2 2 \
| / 2/x\\ / 2/x\\ 2/x\ / 2/x\\ 2/x\ / 2/x\\ 2/x\ / 2/x\\ / 2/x\\ /x\ / 2/x\\ /x\ |
| |1 + tan |-|| 2*|1 + tan |-|| 4*tan |-| 3*|1 + tan |-|| *tan |-| 6*|1 + tan |-|| 6*tan |-|*|1 + tan |-|| 12*|1 + tan |-||*tan|-| 6*|1 + tan |-|| *tan|-| |
/ 2/x\\ | \ \2// \ \2// \2/ \ \2// \2/ \ \2// \2/ \ \2// \ \2// \2/ \ \2// \2/ |
|1 + tan |-||*|---------------- + ----------------- + ----------------- + ------------------------ + ------------------------------ + ----------------------- - --------------------------- + ----------------------------|
\ \2// | 3/2 _____________ _____________ 5/2 3/2 3/2 / 2/x\\ / /x\\ 2 |
|/ 2/x\\ / 2/x\ / 2/x\ / 2/x\\ / 2/x\\ 2/ /x\\ / 2/x\\ |-1 + tan |-||*acos|tan|-|| / 2/x\\ / /x\\|
||1 - tan |-|| / 1 - tan |-| / 1 - tan |-| |1 - tan |-|| |1 - tan |-|| *acos |tan|-|| |1 - tan |-|| \ \2// \ \2// |-1 + tan |-|| *acos|tan|-|||
\\ \2// \/ \2/ \/ \2/ \ \2// \ \2// \ \2// \ \2// \ \2// \ \2///
---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
2/ /x\\
8*acos |tan|-||
\ \2//
$$\frac{\left(\tan^{2}{\left(\frac{x}{2} \right)} + 1\right) \left(\frac{4 \tan^{2}{\left(\frac{x}{2} \right)}}{\sqrt{- \tan^{2}{\left(\frac{x}{2} \right)} + 1}} - \frac{12 \left(\tan^{2}{\left(\frac{x}{2} \right)} + 1\right) \tan{\left(\frac{x}{2} \right)}}{\left(\tan^{2}{\left(\frac{x}{2} \right)} - 1\right) \operatorname{acos}{\left(\tan{\left(\frac{x}{2} \right)} \right)}} + \frac{6 \left(\tan^{2}{\left(\frac{x}{2} \right)} + 1\right)^{2} \tan{\left(\frac{x}{2} \right)}}{\left(\tan^{2}{\left(\frac{x}{2} \right)} - 1\right)^{2} \operatorname{acos}{\left(\tan{\left(\frac{x}{2} \right)} \right)}} + \frac{2 \left(\tan^{2}{\left(\frac{x}{2} \right)} + 1\right)}{\sqrt{- \tan^{2}{\left(\frac{x}{2} \right)} + 1}} + \frac{6 \left(\tan^{2}{\left(\frac{x}{2} \right)} + 1\right) \tan^{2}{\left(\frac{x}{2} \right)}}{\left(- \tan^{2}{\left(\frac{x}{2} \right)} + 1\right)^{\frac{3}{2}}} + \frac{\left(\tan^{2}{\left(\frac{x}{2} \right)} + 1\right)^{2}}{\left(- \tan^{2}{\left(\frac{x}{2} \right)} + 1\right)^{\frac{3}{2}}} + \frac{3 \left(\tan^{2}{\left(\frac{x}{2} \right)} + 1\right)^{2} \tan^{2}{\left(\frac{x}{2} \right)}}{\left(- \tan^{2}{\left(\frac{x}{2} \right)} + 1\right)^{\frac{5}{2}}} + \frac{6 \left(\tan^{2}{\left(\frac{x}{2} \right)} + 1\right)^{2}}{\left(- \tan^{2}{\left(\frac{x}{2} \right)} + 1\right)^{\frac{3}{2}} \operatorname{acos}^{2}{\left(\tan{\left(\frac{x}{2} \right)} \right)}}\right)}{8 \operatorname{acos}^{2}{\left(\tan{\left(\frac{x}{2} \right)} \right)}}$$