Learning Goal: Build proficiency with finding missing sides in right triangles using trigonometry.

Classwork

• Estimation – Perimeter 2
• Warm Up
• Notes
  • Taken from Kate Nowak
• Spiraling Practice

 Standards

• Common Core
  • HSG.SRT.C.7 – Explain and use the relationship between the sine and cosine of complementary angles.
  • HSG.SRT.C.8 – Use trigonometric ratios and the Pythagorean Theorem to solve right triangles in applied problems.

   

• TEKS
  • G.9(A) – determine the lengths of sides and measures of angles in a right triangle by applying the trigonometric ratios sine, cosine, and tangent to solve problems