Trigonometrymedium · Past Paper
If tan θ = 1, find the value of (sin θ + cos θ).
A1
B√2
C2
D1/√2
✓ Correct Answer: B — √2
tan θ = 1 means θ = 45°. sin 45 + cos 45 = 1/√2 + 1/√2 = 2/√2 = √2.
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✓ Correct Answer: B — √2
tan θ = 1 means θ = 45°. sin 45 + cos 45 = 1/√2 + 1/√2 = 2/√2 = √2.
Share this question