Math, asked by lenovok5pk, 8 months ago

is tanx + tan2x + tan7 x = tan tan2x tan7x what is the value of x

Answers

Answered by ashketchm

1

Answer:

We have,

tan7x=tan(5x+2x)

or, tan7x=

1−tan5x.tan2x

tan5x+tan2x

or, tan7x−tan2x.tan5x.tan7x=tan5x+tan2x

or, tan7x−tan5x−tan2x=tan2x.tan5x.tan7x

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