Trigonometryeasy · Past Paper
What is sin² 45° + cos² 45°?
A1/2
B1
C1/√2
D2
✓ Correct Answer: B — 1
According to the identity sin² θ + cos² θ = 1, the value is always 1 regardless of the angle.
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✓ Correct Answer: B — 1
According to the identity sin² θ + cos² θ = 1, the value is always 1 regardless of the angle.
Share this question