Prove and apply trigonometric identities8.  Prove the Pythagorean identity sin2(θ) + cos2(θ) = 1 and use it to find sin(θ), cos(θ), or tan(θ) given sin(θ), cos(θ), or tan(θ) and the quadrant of the angle.

State Standard

CCSS

Grade Level

9 10 11 12

Learning Targets

Long Term Learning Target: I can prove the Pythagorean Identity.

Target ID

2 731

Assessments

Supporting Targets

Long Term Learning Target: I can determine the Sine, Cosine, or Tangent of an angle using the Pythagorean Identity and given sin(θ), cos(θ), or tan(θ) and the quadrant of the angle.

Target ID

4 800

Assessments

Supporting Targets

Discipline

Mathematics