Mathematics, 23.08.2019 00:30 Asrys
Let (3, -2) be a point on the terminal side of θ. find the exact values of cosθ, secθ, and cotθ
Answers: 3
![\bf (\stackrel{a}{3}~,~\stackrel{b}{-2})\qquad \impliedby \textit{let's find the hypotenuse} \\\\\\ \textit{using the pythagorean theorem} \\\\ c^2=a^2+b^2\implies c=\sqrt{a^2+b^2} \qquad \begin{cases} c=hypotenuse\\ a=adjacent\\ b=opposite\\ \end{cases} \\\\\\ c = \sqrt{3^2+(-2)^2}\implies c=\sqrt{9+4}\implies c=\sqrt{13} \\\\[-0.35em] ~\dotfill](/tpl/images/0189/3786/c4cbc.png)
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Let (3, -2) be a point on the terminal side of θ. find the exact values of cosθ, secθ, and cotθ...
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