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6.1 Intro to Trig. Identities · Ex. #1 x2 —9 = (x—3)(x+3) is an identity. Identities can be proven or verified. Verify the identity: Numerically Prove the identity: x Identities:

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Page 1: 6.1 Intro to Trig. Identities · Ex. #1 x2 —9 = (x—3)(x+3) is an identity. Identities can be proven or verified. Verify the identity: Numerically Prove the identity: x Identities:

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