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State True or False: The value of the ex...

State True or False: The value of the expression `(cos^(2)23^(@)-sin^(2)67^(@))` is positive.

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To determine whether the expression \( \cos^2(23^\circ) - \sin^2(67^\circ) \) is positive, we can follow these steps: ### Step 1: Rewrite the expression We start with the expression: \[ \cos^2(23^\circ) - \sin^2(67^\circ) \] ...
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