1/2 tan invers x
![4122222 { \sqrt{ \div 449 < 85 > \sqrt[3333 \tan( \sin( \beta \gamma fjj \: \: \: \: \: = qestion \: mark) ) ]{?} } }^{2}](https://tex.z-dn.net/?f=4122222+%7B+%5Csqrt%7B+%5Cdiv+449+%26lt%3B+85+%26gt%3B++%5Csqrt%5B3333+%5Ctan%28+%5Csin%28+%5Cbeta++%5Cgamma+fjj+%5C%3A++%5C%3A++%5C%3A++%5C%3A++%5C%3A++%3D+qestion+%5C%3A+mark%29+%29+%5D%7B%3F%7D+%7D+%7D%5E%7B2%7D+ "4122222 { \sqrt{ \div 449 < 85 > \sqrt[3333 \tan( \sin( \beta \gamma fjj \: \: \: \: \: = qestion \: mark) ) ]{?} } }^{2}")
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Identities Related to Inverse Trigonometric Functions. If \displaystyle \:2\tan ^... maths ... We know that for |x|>1 , 2tan−1x=π−2sin−1 1+x22x
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