A+B+C = 180. Then prove that sin{B+C/2} = cos{90 – A/2}
Hitesh Bhatewada , 9 Years ago
Grade 10
10 grade maths> A+B+C = 180. Then prove that sin{B+C/2} =...
1 AnswersHitesh Bhatewada
Last Activity: 9 Years ago
A+B+C = 180 B+C = 180-A
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