![]() Cotangent, if you're unfamiliar with it, is the inverse or reciprocal identity of tangent. There are two quotient identities that are crucial for solving problems dealing with trigs, those being for tangent and cotangent. ![]() In trigonometry, quotient identities refer to trig identities that are divided by each other. Also, make sure you understand how each of these ratios behaves in a four-quadrant Cartesian Plane by checking out this amazing link here. Click the links on each of those identities for some quick review on using each of them before you move on in this article. That being said, before we get into using these quotient and reciprocal identities, it is crucial that you have a thorough understanding of how to use sine, cosine, and tangent. That is why it is so important to learn about what we call "quotient" and "reciprocal" identities. When it comes to more advanced studies in trigonometry, eventually using just sine, cosine, and tangent on their own won't be enough. ![]()
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