A. Mid Unit 6 Review

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Mathematical Equivalence

ON

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Which of these trigonometric equations are true? Choose THREE correct answers.

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The students claim is only true if the x-coordinate is also negative.

Tangent is y/x. So in order for tangent to be negative one coordinate must be negative and one must be positive.

Mathematical Equivalence

ON

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Ronan thinks that the measure of any arc on a unit circle formed by a central angle between 0° and 360° will be less than the measure of an arc on a circle with a radius of 2 formed by a central angle of 130°.  Justin does not think that Ronan is correct.

Select all cases that help prove Ronan's argument.

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