In this video you are shown the Pythagorean identities and how they are derived. In a later tutorial you will have to prove identities using these.
Pythagorean Identities:
- sin2θ + cos2θ ≡ 1
- 1 + tan2θ ≡ sec2θ
- 1 + cot2θ ≡ cosec2θ
In this video you are shown the Pythagorean identities and how they are derived. In a later tutorial you will have to prove identities using these.
Pythagorean Identities: