Trigonometryeasy · Past Paper

Simplify: (1 - sin² θ) sec² θ.

Atan² θ
B1
Ccos² θ
D0

✓ Correct Answer: B1

(1 - sin² θ) = cos² θ. So, cos² θ · sec² θ = cos² θ · (1/cos² θ) = 1.

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