Why is tan 90 undefined?

At 90 degrees we must say that the tangent is undefined (und), because when you divide the leg opposite by the leg adjacent you cannot divide by zero. In ...

Is BPD a superpower?

Many people with BPD also contribute their time and resources to volunteer work, peer support, and advocacy. Without your BPD brain, you may have avoided ...

Can I stop using Faiza cream?

Please stop using faiza cream as it contains strong steroids which can cause serious side effects in the long run. Steroid induced acne, photosensitivity,...