Curated OER
Proof of Identity
Students explore trigonometric identities. In this Algebra II lesson, students use graphing to verify the reciprocal identities. Using Cabri Jr, students investigate the Pythagorean trigonometric identities and the geometric c proofs...
Curated OER
Trigonometry Worksheet: Verify Identities (4)
Students verify the identities in one equation. In this trigometric identities worksheet, students verify the identity in one trigometric equation.
EngageNY
Addition and Subtraction Formulas 2
Knowing the addition formulas allows for the calculations of double and half formulas. The fourth installment of 16 has the class use the addition formula to develop the double angle trigonometric formulas. Using the double formula,...
Curated OER
Trigonometric Identities
Young scholars calculate the six trigonometric identities. In this algebra lesson, students verify other identities using the basic trigonometric identities of sine, cosine and tangent. They complete a worksheet with hints and then are...
Curated OER
Completing Precalculus Computations
In this precalculus learning exercise, 12th graders find the solutions to four problems. They verify the identity of sine and find the exact value of cosine.
Curated OER
Trigonometry Worksheet
In this trigonometry learning exercise, 4th graders solve trig functions using the identity properties. They are 2 problems.