Trigonometric Ratios in Right Triangle \(ABC\)

Trigonometric Ratios in Right Triangle \(ABC\)

Secondary 2

In triangle \(ABC\), \(AC=7\) cm and \(AB=24\) cm.
Given that angle \(BAC=90{}^\circ \), state the value of

  1. \(\sin \angle ACB\),
  2. \(\cos \angle ACB\),
  3. \(\tan \angle ACB\),
  4. \(\sin \angle CBA\),
  5. \(\cos \angle CBA\),
  6. \(\tan \angle CBA\).

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Answer:(i) \(\frac{24}{25}\) (ii) \(\frac{7}{25}\) (iii) \(\frac{24}{7}\) (iv) \(\frac{7}{25}\) (v) \(\frac{24}{25}\) (vi) \(\frac{7}{24}\)

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