Trigonometryeasy · Past Paper
What is (1 - cos^2(A)) / sin(A)?
Acos(A)
Bsin(A)
Ctan(A)
D1
✓ Correct Answer: B — sin(A)
(1 - cos^2(A)) = sin^2(A), so sin^2(A)/sin(A) = sin(A).
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