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    shomik_sen's Avatar
    shomik_sen Posts: 1, Reputation: 1
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    #1

    Apr 12, 2013, 07:01 AM
    Mathematics Trigonometry
    If tan ⍺= a/(a+1) and tan β= 1/(2a+1). Find ⍺+β
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    ebaines Posts: 12,131, Reputation: 1307
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    #2

    Apr 12, 2013, 08:59 AM
    Hint: start with the double angle formula for tan(x+y), where tan(x) = a/(a+1) and tan(y) = 1/(2a+1); what does tan(x+y) turn out to be?
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