If $\triangleABC$ is right, law of cosine reduces to

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If $\triangleABC$ is right, law of cosine reduces to

E

Editor

Sep 18, 2022

If $\triangleABC$ is right, law of cosine reduces to

Difficulty: Easy

A:

Law of sine

B:

Law of tangent

C:

Pythogorous theorem

D:

Hero's formula

ID: 63273db9ca83163ac3a108c3