Mathematics, 22.04.2021 16:20 corbino710
If tan (A+B)= 1 /3 and tan (A-B ) =2/5 prove that tan2A = 11 /13
Answers: 1
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If tan (A+B)= 1 /3 and tan (A-B ) =2/5 prove that tan2A = 11 /13...
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