The angle θ lies in Quadrant III . cosθ=−1/6 What is tanθ ?

The value of is required.

The required value in quadrant three is

We have the identity

The required value in quadrant three is

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With θ in quadrant III, we expect to have both cosθ and sinθ negative. Then from the Pythagorean identity, we get

Then from the definition of tangent, that is

tanθ = sinθ / cosθ

we get

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step-by-step explanation:

it is true

step-by-step explanation:

all the combinations add up i used   calculator