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If sinA=4/5 find tanA + cosA …

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If sinA=4/5 find tanA + cosA 2

    • Posted by जय श्री राम🚩🚩 .... 1 year, 9 months ago

    CBSE > Class 10 > Mathematics
    • 2 answers

    Nandini . 1 year, 10 months ago

    If sinA =4/5 Then according to pythagoras theorem H=5 P=4 B=3 TanA= p/b =4/3 CosA= b/h=3/5 TanA + cos2A= 4/3+ 2×3/5 =4/3+6/5 =20+18/15 =38/15

    1Thank You

    Bhavik Kasana 1 year, 10 months ago

    SinA = P/H , P = 4 , H = 5, find base by phythagoras theorem, simple👍

    1Thank You

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