Find the secant of an angle $ heta$ in a unit circle

To find the secant of an angle $\theta$ in a unit circle, we use the formula:

$ \sec(\theta) = \frac{1}{\cos(\theta)} $

Suppose $\theta$ is an angle in the first quadrant where cos(θ) = 0.6. Then:

$ \sec(\theta) = \frac{1}{0.6} = \frac{5}{3} $

To find the secant of an angle $ heta$ in a unit circle, we use the formula:

$ sec( heta) = frac{1}{cos( heta)} $

For an angle $ heta$ in the second quadrant where cos(θ) = -0.5, we get:

$ sec( heta) = frac{1}{-0.5} = -2 $

For an angle $ heta$ in a unit circle, the secant is given by:

$ sec( heta) = frac{1}{cos( heta)} $

If $ heta$ is an angle in the third quadrant where cos(θ) = -0.8, then:

$ sec( heta) = frac{1}{-0.8} = -1.25 $

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