Question

2(sin⁶ θ + cos⁶ θ) – 3(sin⁴ θ + cos⁴ θ) is equal to ______.

Options

• 0

• 6

• - 1

• None of these

Answer 1

2(sin⁶ θ + cos⁶ θ) – 3(sin⁴ θ + cos⁴ θ) is equal to - 1.