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Mathematics, 25.02.2021 02:20 elf55

TanB = 3/4, 0< B< 3.14/2 find sin1/2B cos1/2B and finally tan1/2B. if cosA = 1/8,(3*3.14)/2

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TanB = 3/4, 0< B< 3.14/2 find sin1/2B cos1/2B and finally tan1/2B. if cosA = 1/8,(3*3.14)/2...

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