Given that θ \theta\,θ is small and is measured in radians, use the small angle approximations to find an approximate value of
4θsin3θ1−cos2θ\displaystyle \frac{4\theta \sin 3\theta}{1 - \cos 2\theta}1−cos2θ4θsin3θ
225 exam-style questions on WJEC A Level Maths 3.5 Trigonometry (A-level only), covering 3.5.1 Trigonometry (A-level only), 3.5.2 Trigonometry (A-level only), 3.5.3 Trigonometry (A-level only), 3.5.4 Trigonometry (A-level only), 3.5.5 Trigonometry (A-level only), 3.5.6 Trigonometry (A-level only), 3.5.7 Trigonometry (A-level only), and 3.5.8 Trigonometry (A-level only). Each one has a worked solution and a mark scheme showing where the marks go.