Is this pythagorean trig identity correct? $$\text{cos}^2{(\alpha)} = \text{sin}^2{(\alpha)} \cdot \text{tan}^2{(\alpha)}$$

Trigonometry Identities - Tan^2 and Sec^2 Identity True/False (Greek Letter)

Level 1

The topics in this unit focus on understanding the basics of trigonometry identities. Work on practice problems directly here, or download the printable pdf worksheet to practice offline.

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Trigonometry Identities - Tan^2 and Sec^2 Identity True/False (Greek Letter)

Is this pythagorean trig identity correct?

\text{tan}^2{(\alpha)} = \text{sec}^2{(\alpha)} - 1

Earned ?