What is the simplified value of $\sin^4 \theta - \cos^4 \theta + 2 \cos^2 \theta$?
Options:
- A: 1
- B: 0
- C: 2
- D: $-1$
Related Practice Questions:
- Which of the following artifacts, extensively found at Burzahom and Gufkral, specifically indicates that the Neolithic inhabitants of Kashmir practiced sewing animal skins for clothing to survive the harsh winters?
- The earliest known evidence of rock art in India, in the form of 'Cupules' (hemispherical cup-shaped depressions carved into rock), belongs to the Lower Paleolithic age and was found at:
- The first human colonization of the fertile Ganga plains, as evidenced by archaeological discoveries at Sarai Nahar Rai and Mahadaha, took place during which period?
- Which prehistoric site located in the Thar Desert of Rajasthan provides a continuous and undisturbed profile of Lower, Middle, and Upper Paleolithic cultures?
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