tan 3x +tan x = 2 tan2x
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Answered by
0
Answer:
gekejve
Step-by-step explanation:
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Answered by
1
Answer:
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Step-by-step explanation:
We have,
tan3x=tan(2x+x)
or, tan3x=
1−tan2x.tanx
tan2x+tanx
or, tan3x−tan3x.tan2x.tanx=tan2x+tanx
or, tan3x−tan2x−tanx=tan3x.tan2x.tanx.
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