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Learning Goal

‹6 of 6 in this skill_area

Radian-degree conversion

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Lesson Plan · Guided Notes · Exit Ticket · Re-teach · Homework

"Convert between angle measures in degrees and radians." "Solve problems using either radian measure or trigonometric ratios in the unit circle." "Solve problems in a variety of contexts using:" / "• the Pythagorean theorem." / "• properties of special right triangles." / "• right triangle trigonometry." "Use similarity to calculate values of sine, cosine, and tangent." "Solve problems using the relationship between sine and cosine of complementary angles."

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"Convert between angle measures in degrees and radians."
"Solve problems using either radian measure or trigonometric ratios in the unit circle."
"Solve problems in a variety of contexts using:" / "• the Pythagorean theorem." / "• properties of special right triangles." / "• right triangle trigonometry."
"Use similarity to calculate values of sine, cosine, and tangent."
"Solve problems using the relationship between sine and cosine of complementary angles."

What you'll learn

  1. Convert between degree and radian measure in exact form, using the factor from pi radians = 180° whose denominator cancels the given unit, including measures that are not landmark angles and radian measures without pi
  2. State the radian measures of the angles of the 45-45-90 and 30-60-90 triangles, and evaluate sin, cos, and tan at pi/6, pi/4, and pi/3 from those triangles
  3. Evaluate trig functions at radian arguments, with the evaluation set to the unit the angle's notation shows
  4. Solve a right-triangle problem in which an angle is given, or asked for, in radians

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