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Sagot :
Given:
An angle is in standard position and is terminal side passes through the point (-2,5),
Required:
To find the value of the secant function.
Explanation:
The value of the secant function is given as:
[tex]sec\theta=\frac{r}{x}[/tex]Where
[tex]r=\sqrt{x^2+y^2}[/tex]Consider x= -2 and y = 5
Now calculate the value of r by using the formula:
[tex]\begin{gathered} r=\sqrt{(-2)^2+(5)^2} \\ r=\sqrt{4+25} \\ r=\sqrt{29} \end{gathered}[/tex]Thus the required value is:
[tex]sec\theta=\frac{\sqrt{29}}{-2}[/tex]Final Answer:
[tex]sec\theta=-\frac{\sqrt{29}}{2}[/tex]
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