Is the given equation an identity?sec⁡2x−11+tan⁡2x=1−2cos⁡2x\frac{\$$sec^2x-1$$}{1+\$$tan^2x$$}=1-2\$$cos^2x1+tan2$$xsec2x−1=1−2cos2x

6. Trigonometric Identities and More Equations

6. Trigonometric Identities and More Equations / Introduction to Trigonometric Identities / Problema 6

Problema 6

Is the given equation an identity?
$$\frac{\sec^2x-1}{1+\tan^2x}$=1-2$\cos$^2x$

Yes