bidishasurkhali166 bidishasurkhali166

19-03-2020
Mathematics

contestada

prove tan 50 - tan 40- tan 10 = tan50.tan40.tan10

Respuesta :

Wallind11 Wallind11

19-03-2020

Therefore,tan50= tan(40+10)

or, tan50= tan40+tan10/1-tan40tan10

or, tan50{1-tan40tan10}= tan40+tan10

or, tan50-tan50.tan40.tan10= tan40+tan10

or,tan50-tan40-tan10= tan50. tan40. tan10

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