Ashish Kumar - let's learn, implement then understand Maths and Physics
$$\sin^{-1}x$$ or $$\arcsin(x)$$
$$\cos^{-1}x$$ or $$\arccos(x)$$
$$\tan^{-1}x$$ or $$\arctan(x)$$
$$\sec^{-1}x$$ or $$\text{arcsec}(x)$$
$$cosec^{-1}x$$ or $$\text{arccosec}(x)$$
$$\cot^{-1}x$$ or $$\text{arccot}(x)$$