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If tanx + tan(x+60) + tan(x+120) …

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If tanx + tan(x+60) + tan(x+120) = 3 Then prove that 3tanx - tan³x = 1 - 3tan²x

    • Posted by Aryan Gupta 4 years, 7 months ago

    CBSE > Class 11 > Mathematics
    • 0 answers
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