Trigonometryeasy · Past Paper

Express 1 - cos^2(theta) in terms of sine.

Asin(theta)
Bsin^2(theta)
C2sin(theta)
Dsqrt(sin(theta))

✓ Correct Answer: Bsin^2(theta)

Rearranging sin^2 + cos^2 = 1 gives sin^2 = 1 - cos^2.

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