IDENTITIES Verifying Identities (Page 3 of 5)

Generate the table. Observe that both functions Y1 and Y2 have identical values for nearly all of the x-values shown.

 2nd TABLE key. Calculator screen image.

Use the down arrow key to scroll through the table. For x between -π and π, the values for Y1 and Y2 agree except when x is a multiple of π/2.

 Down arrow key.... Calculator screen image. Calculator screen image. Calculator screen image.
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