# What is Trigonometry ?

Trigonometry is a branch of mathematics that studies relationships between side lengths and angles of triangles.

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### Related FAQs

Q. Evaluate cos^2θ tan^2θ + tan^2θ sin^2 θ in terms of tanθ

Ans: Here the solution :-  $$cos^2\theta tan^2\theta + tan^2\theta sin^2\theta$$ AS   $$tan^2\theta$$   is common  $$= (cos^2\theta + sin^2\theta) tan^2\theta$$ As we k... read more

Q. What are trig identities or Trigonometric Identities ?

Ans: List of trig identities or Trigonometric Identities Reciprocal Identities :-- Sinθ = 1/Cscθ Cscθ  = 1/Sinθ Cosθ = 1/Secθ Secθ = 1/Cos&thet... read more