Trigonometrymedium · Past Paper
Simplify: (1 - sin²θ) * sec²θ
A1
B0
Csin²θ
Dcos²θ
✓ Correct Answer: A — 1
1 - sin²θ = cos²θ. Then cos²θ * sec²θ = cos²θ * (1/cos²θ) = 1.
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✓ Correct Answer: A — 1
1 - sin²θ = cos²θ. Then cos²θ * sec²θ = cos²θ * (1/cos²θ) = 1.
Share this question