Find the value of tan 100 + tan 125 + tan 100. tan 125
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given tan A = 100
tan B = 125
tanA.tanB = tan 100.tan 125
so tan (A+B) = tanA + tan B/1-tanAtanB
so tan(100+125) = tan 100 + tan 125/ 1-tan100.tan125
tan (225) = tan100+tan125/1-tan100.tan125
tan B = 125
tanA.tanB = tan 100.tan 125
so tan (A+B) = tanA + tan B/1-tanAtanB
so tan(100+125) = tan 100 + tan 125/ 1-tan100.tan125
tan (225) = tan100+tan125/1-tan100.tan125
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