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If cos theta -sin theta =sqrt(2) sin the...

If `cos theta -sin theta =sqrt(2) sin theta `, show that, `costheta+sintheta=sqrt(2) cos theta [0ltthetaltpi/2]`.

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Knowledge Check

  • If (1+cos theta+sintheta)/(1+sintheta) =x, the value of (1+cos theta -sin theta)/cos theta) is

    A
    x
    B
    `x^2`
    C
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    D
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