Education Technology

SA and NT: Trig Proofs

by Texas Instruments


1.4 Trigonometric Functions

Students perform trigonometric proofs and verifying each proof through graphing.

Key Steps

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    Students will perform trigonometric proofs and use the graphing capabilities of the calculator for verification.

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    Students will prove trigonometric identities, including (1 + cosx)(1 – cosx) = sin2x. Students will then verify the identity graphically.