How do you prove cot rule?
How do you prove cot rule? You can prove this rule using the sine law, which gives the following: nsinb=qsin(b+θ), msina=qsin(θ−a), where q is the line between both triangles. If you now write both equations in terms of q, you get the following: nsin(b+θ)sinb=msin(θ−a)sina. What is cot Theorem? In trigonometry, the law of cotangents is […]