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Trigonometry
Reference Angles and Triangles
The line y=3x creates an acute angle θ when it crosses the x – axis. Find the exact value of sec θ?

Respuesta :

amna04352

Answer:

sqrt(10)

Step-by-step explanation:

tan(θ) = slope = 3

1 + tan²θ = sec²θ

1 + 3² = sec²θ

sec²θ = 10

secθ = sqrt(10)

sqrt: square root

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