Mathematics · Geometry

If a triangle ABC is right-angled at A, then what is the value of sin((B+C)/2) cos((B+C)/2)?

Verified Solution4 OptionsUpdated: October 2026👁️1 View

1√2
21/4
31/2✓
4√3/4

Correct answer

1/2

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If a triangle ABC is right-angled at A, then what is the value of sin((B+C)/2) cos((B+C)/2)?

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If a triangle ABC is right-angled at A, then what is the value of sin((B+C)/2) cos((B+C)/2)?

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