Find the minimum value of $\sin^2 \theta + \cos^4 \theta$.
Options:
- A: $1$
- B: $\frac{1}{2}$
- C: $\frac{3}{4}$
- D: $0$
Related Practice Questions:
- A sum of ₹4000 is invested at compound interest for 2 years at a rate of 10% per annum. What will be the total amount at the end of 2 years?
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- The difference between the compound interest and simple interest on a certain sum of money for 2 years at 5% per annum is ₹25. Find the sum.
- The study of living organism :
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