Mathematics · Trigonometry
If cos θ - sin θ = √2 sin θ, then what is the value of cos θ + sin θ?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 12 cos θ
- 22 sin θ
- 3√2 sin θ
- 4√2 cos θ✓
Correct answer
√2 cos θ
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