l just solved this question .try to solve it .it is a good math question.

if tany is one of the answers of x^2+3x+1=0.>>>>>>Find the value of sin2y?

(edited 7 years ago)

Original post by huvaxshatra

if tanx is one of the answers of x^2+3x+1=0.>>>>>>Find the value of sin2x?

Don't you mean

\tan(\theta)

- or any other variable other than

x

? Otherwise it's not possible.

i edited it

Original post by huvaxshatra

i edited it

In which case,

Spoiler

(edited 7 years ago)

In which case,

Spoiler

your answer is right

i solved it with different road

LaTex

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