Is tan^2(23)-sec^2(23)=-1 ?

The answer to whether tan^2(23)-sec^2(23)=-1 is True

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prove tan^2(23)-sec^2(23)=-1

prove

tan^{2} (2 3^{\circ}) - sec^{2} (2 3^{\circ}) = - 1

True

Solution steps

tan^{2} (2 3^{\circ}) - sec^{2} (2 3^{\circ}) = - 1

Use the Pythagorean identity:

sec^{2} (x) = tan^{2} (x) + 1

sec^{2} (x) - tan^{2} (x) = 1

\Rightarrow True

Is tan^2(23)-sec^2(23)=-1 ?
The answer to whether tan^2(23)-sec^2(23)=-1 is True