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Maths CBSE Live product
Class 10 (2026-27)
Introduction to Trigonometry
Annual Revision I - Introduction to Trigonometry
5.
Finding an Acute Angle
Question:
3
m.
Identify an acute angle \(\theta\) when \(\dfrac{\cos\theta + \sin\theta}{\cos\theta - \sin\theta} = \dfrac{1 + \sqrt{3}}{1 - \sqrt{3}}\)
\(15^\circ\)
\(30^\circ\)
\(60^\circ\)
\(45^\circ\)
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