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If sin 2 theta = cos theta, where 0^(@) ...

If `sin 2 theta = cos theta`, where` 0^(@) le theta le 90^(@)`, then `theta`=

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Knowledge Check

  • If 2 sin^(2) theta = 3 cos theta," where "0 le theta le 2 pi , then find the vaue of theta .

    A
    `(2 pi )/(3), (5 pi)/(3)`
    B
    `(pi)/(3), (5 pi)/(3)`
    C
    `(5 pi)/(3), (4 pi)/(3)`
    D
    None of these

  • If sin2theta = cos3theta , where 0 le theta le (pi)/(2) , then what is sin theta equal to ?

    A
    `(sqrt3+1)/(4)`
    B
    `(sqrt5-1)/(4)`
    C
    `(sqrt5+1)/(6)`
    D
    `(sqrt5-1)/(16)`

  • If sin theta + cos theta =(17)/(13), 0 le theta lt 90^(@)," then "sin theta - cos theta = ? यदि sin theta + cos theta =(17)/(13), 0 lt theta lt 90^(@) हो, तो sin theta - cos theta = ?

    A
    `(5)/(17)`
    B
    `(3)/(19)`
    C
    `(7)/(10)`
    D
    `(7)/(13)`

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    If A= sin^(2)theta + cos^(4)theta , where 0 le theta le pi/2 , then which one of the following is correct ?

    If 2 sin^2 theta = 3cos theta, 0 le theta le 2 pi, theta =

    If 2cos theta - sin theta = 1/sqrt(2), (0^(@) lt theta lt 90^(@)) then the value of 2sin theta + cos theta is:

    If sin theta=0.7, "then" cos theta, 0 le theta lt 90^(@) is यदि sin theta=0.7, तो cos theta, 0 le theta lt 90^(@) है :

    If cos^2 theta - sin^2 theta = 1/3 , where 0 le theta le pi/2 , then the value of cos^4 theta - sin^4 theta is

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