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        <title>Ch 09: Fundamental of Trigonometry</title>
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        <description>Ch 09: Fundamental of Trigonometry

&lt;list-group&gt;

	*  Find the value of the remaining trigonometric functions of $\theta$, If $cos \theta=\frac{12}{13}$ and the terminal side of the angle is not in the $I$ Quadrant. --- BISE Gujrawala(2015)
	*  Express in radian $120&#039;40&#039;&#039;$ --- BISE Gujrawala(2017)$2 $$\sin 45^{\circ} +\frac{1}{2}\cos 45^{\circ}=\frac{3}{\sqrt{2}}$$cosce \theta+tan\theta sec \theta=cosec \theta sec^2 \theta$$(tan\theta+cot\theta)^2=sec^2\theta cosec^2\theta$$150^{\circ}$$\theta$$…</description>
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