18 March 2020 Sergiu Funieru The formula for tan (a – b) [formula for the tangent of difference] +2 The formula for tan (a – b) [formula for the tangent of difference] Have you seen this? +2
![The formula for tan (a - b) [formula for the tangent of difference]](https://lunlun.com/wp-content/uploads/2020/03/The-formula-for-tan-a-b-formula-for-the-tangent-of-difference.png "The formula for tan (a - b) [formula for the tangent of difference]")