Trigonometrymedium · Past Paper
The value of sin² 45° + cos² 45° is:
A1/2
B1/√2
C1
D2
✓ Correct Answer: C — 1
By the identity sin²θ + cos²θ = 1, the result is always 1 for any θ.
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✓ Correct Answer: C — 1
By the identity sin²θ + cos²θ = 1, the result is always 1 for any θ.
Share this question