Trigonometryhard · Past Paper
Evaluate: sin⁶θ + cos⁶θ + 3 sin²θ cos²θ
A0
B1
C-1
D3
✓ Correct Answer: B — 1
This is the expansion of (sin²θ + cos²θ)³ = 1³ = 1.
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✓ Correct Answer: B — 1
This is the expansion of (sin²θ + cos²θ)³ = 1³ = 1.
Share this question