Trigonometryeasy · Past Paper
Evaluate: sin^2 30 + cos^2 30
A1/2
B1/4
C1
D3/4
✓ Correct Answer: C — 1
Using identity sin^2 A + cos^2 A = 1 for any angle A.
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✓ Correct Answer: C — 1
Using identity sin^2 A + cos^2 A = 1 for any angle A.
Share this question