Trigonometric Functions (id: ea8114c29)

本题目来源于试卷: Trigonometric Functions，类别为 IB数学

[填空题]
1. Show that $2 x-9+\frac{5}{x+1}=\frac{2 x^{2}-7 x-4}{x+1}, x \in \mathbb{R}, x \neq-1$ .   
2. Hence, solve the equation $2 \sin 2 \theta-9+\frac{5}{\sin 2 \theta+1}=0$ for $0 \leq \theta \leq \pi, \theta \neq \frac{3 \pi}{4}$ .      

参考答案:
空格1: 2*x^2-7*x-4/x+1  空格2: {1.83|2.88}  空格3: {1.83|2.88} 


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