Mathematics · Trigonometry

Simplify the following expression: (sin A + cos A)(1 - sin A cos A)

Verified Solution4 OptionsUpdated: October 2026👁️1 View

1sin 3 A - cos 3 A
2[cos A - sin A][sin 2 A + cos 2 A]
3sin 2 A - cos 2 A
4sin 3 A + cos 3 A✓

Correct answer

sin 3 A + cos 3 A

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