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- Question 1, Exercise 8.1
- }{1 + 1} \\ & = 0 = \tan \pi \end{align*} ====Go to ==== <text align="right"><btn type="success">
- Question 2, Exercise 8.1
- ac{\sqrt{3}+1}{\sqrt{3}-1}} \end{align*} GOOD ====Go to ==== <text align="left"><btn type="primary">[
- Question 3, Exercise 8.1
- sqrt{3} - 1}{2\sqrt{2}}. \end{align*} ====Go to ==== <text align="left"><btn type="primary">[
- Question 4, Exercise 8.1
- & = \tan\left(2\pi\right). \end{align*} ====Go to ==== <text align="left"><btn type="primary">[
- Question 5 and 6, Exercise 8.1
- ed{\tan(\alpha-\beta)=\frac{416}{87}}$. GOOD ====Go to ==== <text align="left"><btn type="primary">[
- Question 7, Exercise 8.1
- }} \\ & = -\dfrac{56}{33}. \end{align*} GOOD ====Go to ==== <text align="left"><btn type="primary">[
- Question 8, Exercise 8.1
- c{16}{65}} \\ &= \frac{63}{16}. \end{align*} ====Go to ==== <text align="left"><btn type="primary">[
- Question 9, Exercise 8.1
- rac{7}{3}} \\ &= \frac{1}{7}. \end{align*} ====Go to ==== <text align="left"><btn type="primary">[
- Question 10, Exercise 8.1
- 2 \cos x \sin y \\ & = R.H.S. \end{align*} ====Go to ==== <text align="left"><btn type="primary">[
- Question 11, Exercise 8.1
- = \sin 5\theta \\ & = R.H.S \end{align*} ====Go to ==== <text align="left"><btn type="primary">[
- Question 12, Exercise 8.1
- }-1= 0 \\ \end{align*} as required. GOOD ====Go to ==== <text align="left"><btn type="primary">[
- Question 13, Exercise 8.1
- } \) and \( \varphi = -\frac{\pi}{4} \). ====Go to ==== <text align="left"><btn type="primary">[
- Question 14, Exercise 8.1
- n the wires is $22^\circ$ approximately. GOOD ====Go to ==== <text align="left"><btn type="primary">[
- Question 1, 2 and 3 Exercise 8.2
- {0.134}{2}}=\sqrt{0.067}=0.259 \end{align*} ====Go to ==== <text align="right"><btn type="success">
- Question 4 Exercise 8.2
- tan \frac{\theta}{2} = 2}. \end{align*} ====Go to ==== <text align="left"><btn type="primary">[