Mathematics · Trigonometry

If A + B = π4, then cos B - sin Bcos B + sin B =

Verified Solution4 OptionsUpdated: October 2026👁️1 View

1sin A
2cos A
3tan A✓
4cot A

Correct answer

tan A

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If A + B = π4, then cos B - sin Bcos B + sin B =

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