दाखिल करना

Mathematics for IGCSE & O level - Pythagoras' Theorem And Trigonometry (Section 1 - No. 33)

Which trigonometric function can be used if given the lengths of all three sides and you are trying to find an angle?

Tangent

Sine

Cosine

Cotangent

स्पष्टीकरण

Cosine Rule can be used if all three sides are known.

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