Mathematics for IGCSE & O level - Pythagoras' Theorem And Trigonometry (Section 5 - No. 17)
Which of the following statements is true regarding non-right-angled triangles?
Only the Pythagorean theorem can be applied.
The trigonometric ratios (sin, cos, tan) cannot be used.
The sine rule and cosine rule are applicable.
SOH CAH TOA is sufficient to solve them.
Explanation
The sine rule and cosine rule are specifically used to solve non-right-angled triangles.
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