Trigonometry 7th Edition

Published by Cengage Learning
ISBN 10: 1111826854
ISBN 13: 978-1-11182-685-7

Chapter 3 - Section 3.2 - Radians and Degrees - 3.2 Problem Set - Page 134: 100

Answer

${\frac{3}{\sqrt{10}},{{\frac{-1}{\sqrt{10}}}},{{\frac{-3}{1}}}},{{\frac{\sqrt{10}}{3}}},{{\frac{-\sqrt{10}}{1}}},{{\frac{-1}{3}}}$

Work Step by Step

given x=-1 and y=3 To solve the value of six trignometric function first value of r $r={\sqrt{(x^2+y^2)}}$ $r={\sqrt{(1^2+(-3)^2)}} ={\sqrt{10}}$ so $\sin\theta={\frac{y}{r}={\frac{3}{\sqrt{10}}}}$ $\cos\theta={\frac{x}{r}={\frac{-1}{\sqrt{10}}}}$ $\tan\theta={\frac{y}{x}={\frac{-3}{1}}}$ $\csc\theta={\frac{r}{y}={\frac{\sqrt{10}}{3}}}$ $\sec\theta={\frac{r}{x}={\frac{-\sqrt{10}}{1}}}$ $\cot\theta={\frac{x}{y}={\frac{-1}{3}}}$ the final answer is:${\frac{3}{\sqrt{10}},{{\frac{-1}{\sqrt{10}}}},{{\frac{-3}{1}}}},{{\frac{\sqrt{10}}{3}}},{{\frac{-\sqrt{10}}{1}}},{{\frac{-1}{3}}}$
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