Trigonometryeasy · Past Paper
The identity cos^2(theta) = 1 - ...?
Asin(theta)
Bsin^2(theta)
Ctan^2(theta)
Dsec^2(theta)
✓ Correct Answer: B — sin^2(theta)
This is a standard rearrangement of sin^2 + cos^2 = 1.
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