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Standards/Math/Indiana/TR.ID

TR.ID

TR Precalculus: Trigonometry
TR.ID
TR.ID.1TR.ID.2TR.ID.3TR.ID.4
TR.PC
TR.PF
TR.T
TR.UC
TR.V

Identities

TR.ID.1Prove the Pythagorean identity sin^2(x) + cos^2(x) = 1 and use it to find trigonometric ratios, given sin(x), cos(x), or tan(x), and the quadrant of the angle.TR.ID.2Verify trigonometric identities and simplify expressions using trigonometric identities.TR.ID.3Prove the addition and subtraction identities for sine, cosine, and tangent. Use the identities to solve problems.TR.ID.4Prove the double- and half-angle identities for sine, cosine, and tangent. Use the identities to solve problems.
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