Education Technology

Precalculus: Trig Proofs
by Texas Instruments

Published on February 04, 2013


Students perform trigonometric proofs and verifying each proof through graphing.

Key Steps

  • Image

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

  • Image

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