Trigonometry (Day 2)

Lesson Prep

Lesson Details

• Duration: 50 minutes

• 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