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If sinA- cosA=1 then find the …

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If sinA- cosA=1 then find the value of 1/ sinA+cosA

    • Posted by Raina Ahlawat 6 years, 10 months ago

    CBSE > Class 10 > Mathematics
    • 4 answers

    Raina Ahlawat 6 years, 10 months ago

    But is que ka answer 2√7/7 hi hai

    0Thank You

    Krishna Kireeti 6 years, 10 months ago

    SinA - CosA=1 So, SinA=1+CosA Upon Squaring on both sides, Sin square A = (1+CosA) square Since Sin square A = (1 - CosA)(1+CosA), (1 - CosA)(1+CosA)=(1+CosA)(1+CosA) So, 1 - CosA = 1+CosA, 2CosA=0 So, CosA=0. So A=90 degrees Substituting A=90 degrees in 1/sinA+cosA, We get 1/sinA+cosA = 1/1+0=1/1=1 Therefore the answer is 1.

    2Thank You

    Raina Ahlawat 6 years, 10 months ago

    But iska ans 2√7/7 hai

    1Thank You

    Ahere Kashinath 6 years, 10 months ago

    Answer is 1+cosA

    2Thank You

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    Posted by Hari Anand 6 months, 2 weeks ago

    CBSE > Class 10 > Mathematics
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