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Questions and Answers
In a right-angled triangle ABC, what is the side opposite to angle A?
In a right-angled triangle ABC, what is the side opposite to angle A?
- BC (correct)
- AB
- Not determined by given information
- AC
What does the term 'trigonometry' derive from?
What does the term 'trigonometry' derive from?
- Latin words meaning measurement of triangles
- Greek words meaning three angles measurement
- Greek words meaning measurement of angles
- Greek words meaning three sides measurement (correct)
What are the trigonometric ratios for angle A in a right-angled triangle ABC?
What are the trigonometric ratios for angle A in a right-angled triangle ABC?
- $rac{AB}{BC}$, $rac{AB}{AC}$, $rac{BC}{AC}$
- $rac{BC}{AB}$, $rac{AC}{AB}$, $rac{BC}{AC}$
- $rac{AB}{BC}$, $rac{AC}{AB}$, $rac{BC}{AC}$ (correct)
- None of the above
In a right-angled triangle ABC, if AC = 5cm, BC = 3cm, and AB = 4cm, what is the value of tan θ?
In a right-angled triangle ABC, if AC = 5cm, BC = 3cm, and AB = 4cm, what is the value of tan θ?
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In a right-angled triangle ABC, if AC = 5cm, BC = 3cm, and AB = 4cm, what is the value of sin θ?
In a right-angled triangle ABC, if AC = 5cm, BC = 3cm, and AB = 4cm, what is the value of sin θ?
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