IB skill practice

Solve right-triangle trigonometry problems

Use sine, cosine, and tangent ratios in labelled right-triangle diagrams and explain the side relationships.

Paper 1 6 marks Difficulty 2

Right-triangle trigonometry

In a right triangle, relative to \(\theta\), the opposite side is \(27\), adjacent side is \(120\), and hypotenuse is \(123\). Find \(\sin\theta\), \(\cos\theta\), and \(\tan\theta\).

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