### Home > CALC > Chapter 5 > Lesson 5.4.1 > Problem 5-145

5-145.

Find the equation of the line tangent to *y* = cot(2*x*) at

Use point-slope form of the line.

Find the slope using the derivative at the same point.

5-145.

Find the equation of the line tangent to *y* = cot(2*x*) at

Use point-slope form of the line.

Find the slope using the derivative at the same point.