Question

Example 14 Show that
tan 3 x tan 2 x tan x = tan 3x - tan 2 x -tan x​

Answer 1

Answer:

your answer attached in the photo

Answer 2

Step-by-step explanation:

tan3x=tan(2x+x)

tan3x=tan2x+tanx/1-tan2xtanx

tan2x+tanx =tan3x-tan3x×tantan2x×tanx

tan3x×tan2x×tanx =tan3x-tan2x-tanx

hope this helps.