Math, asked by jeshan04, 11 months ago

tan3A * tan2A * tanA = tan3A - tan2A - tanA
Please Prove This!!!!

Answers

Answered by sandy1816
4

Step-by-step explanation:

tan3A=tan(2A+A)

tan3A=tan2A+tanA/1-tan2AtanA

tan2A+tanA=tan3A-tan3Atan2AtanA

tan3Atan2AtanA=tan3A-tan2A-tanA

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