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Asked by Matthew

How do I solve for theta in tan theta = -1?
15 years ago

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Answered by Damon
What angles have a tangent equal to -1 ?

Well, you know that the tangent of 45 degrees or pi/4 radians is +1

So look in the other quadrants to see where the tangent would be negative at that angle from the x axis.
15 years ago
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How do I solve for theta in tan theta = -1?

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