Trigonometryeasy · Past Paper
What is sin(90 - theta) equal to?
Asin(theta)
B-sin(theta)
Ccos(theta)
D-cos(theta)
✓ Correct Answer: C — cos(theta)
This is a co-function identity where the sine of a complement is the cosine.
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✓ Correct Answer: C — cos(theta)
This is a co-function identity where the sine of a complement is the cosine.
Share this question