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Rajan@2021
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If tanA=5/12, find the value of (sinA+cosA)secA

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One of the most important and exam oriented question as it was already asked in previous year paper of 2008 in which we have given that tanA=5/12, we asked to find the value of (sinA+cosA)secA

Kindly give me a detailed solution of this question

RS Aggarwal, Class 10, chapter 13C, question no 30

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  1. Given tanA=5/12
    SinA=5/13
    cosA=12/13
    secA=13/12
    (sinA+cosA)secA=(5/13 + 12​/13)×13/12
    =17​/13×13/12
    (sinA+cosA)secA
    =17/12

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