Mathematics · Trigonometry
If cos θ - sin θ = √2 sin θ, then (cos θ + sin θ) is:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1-√2 sin θ
- 2√2 tan θ
- 3√2 cos θ✓
- 4-√2 cos θ
Correct answer
√2 cos θ
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