[Solved] Find the reference number for \(t = - \frac { 26 \pi } { 5 }\) . Unintelligent: Lacking intelligence, understanding, or insight; displaying a lack of smart or sensible thinking. Bad Faith: A concept in existentialist philosophy referring to self-deception or lying to oneself, often to avoid facing uncomfortable truths. Jean-Paul Sartre: A French philosopher, playwright, novelist, and political activist from the 20th century, recognized for his work in existentialism and phenomenology. Relationships: The way in which two or more people or things are connected, or the state of being connected.