Solve: \(\sin \theta = \tan \theta\)
FURTHER MATHEMATICS
WAEC 2013
Solve: \(\sin \theta = \tan \theta\)
- A. 200°
- B. 90°
- C. 60°
- D. 0°
Correct Answer: D. 0°
Explanation
\(\sin \theta = \tan \theta \implies \frac{\sin \theta}{1} = \frac{\sin \theta}{\cos \theta}\)
Equating, we have
\(\cos \theta = 1 \implies \theta = \cos^{-1} 1\)
= \(0°\)
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