Question

Show that
tan 3x tan 2x tan x= tan 3x- tan 2x- tanx​

Answer 1

Answer:

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Answer 2

Answer:

tan2x = tan(3x-x)

= (tan3x - tanx)/(1+tan3x tanx)

=>tan3x - tanx = tan2x(1+tan3x tanx)-----(1)

now,

put the value of eq. (1) in RHS of ques.

then,

tan2x(1+tan3x tanx)- tan2x

= tanx tan2x tan3x = LHS

Step-by-step explanation:

hence, proved

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