$\"\"$

The equation is $\"\"$ and the point is $\"\"$ .

The slope of the tangent line is the derivative of the function at $\"\"$ .

Consider $\"\"$ .

Apply derivative on each side with respect to $\"\"$ .

$\"\"$

Derivative of inverse trignometry function : $\"\"$ .

$\"\"$

Substitute $\"\"$ in the above equation.

$\"\"$

The slope is $\"\"$ .

$\"\"$

The point-slope form of a line equation is $\"\"$ .

Substitute $\"\"$ and the point $\"\"$ in above equation.

$\"\"$

The tangent line equation is $\"\"$ .