Lesson: Signs of Trigonometric Functions in Quadrants | Nagwa Lesson: Signs of Trigonometric Functions in Quadrants | Nagwa

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Lesson: Signs of Trigonometric Functions in Quadrants Mathematics • First Year of Secondary School

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In this lesson, we will learn how to identify in which quadrant an angle lies and whether its sine, cosine, and tangent are positive or negative.

Lesson Plan

Students will be able to

  • identify the quadrant a given angle lies in,
  • identify which quadrant an angle lies in given information about a trigonometric evaluation of that angle,
  • determine the sign of a numerical trigonometric expression.

Lesson Presentation

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13:18

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