Basic Trigonometric Identity

  • Dragan Obradovic
  • Lakshmi Narayan Mishra
  • Vishnu Narayan Mishra
Keywords: trigonometry, angles, trigonometric functions, trigonometric identity


Trigonometry is a branch of mathematics that deals with specific functions of angles and their application. Basic trigonometric identities are equations that establish a relationship between the sine, cosine, tangent, and cotangent of one angle, and allow you to find any of these trigonometric functions through a known other.

How to Cite
Obradovic, D., Mishra, L. N., & Mishra, V. N. (2021). Basic Trigonometric Identity. European Journal of Science, Innovation and Technology, 1(3), 22-27. Retrieved from
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