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[tex]lf = sin2x \: then \: \frac{dy}{dx} at \: x = \frac{\pi}{2} is \\ option \\ 1)2 \\ 2) – 2 \\ 3) – 1 \\ 4)0[/tex]
By Julia

[tex]lf = sin2x \: then \: \frac{dy}{dx} at \: x = \frac{\pi}{2} is \\ option \\ 1)2 \\ 2) – 2 \\ 3) – 1 \\ 4)0[/tex]
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About the author
Julia


3.2 Gurpreet went to a shop and bought a sofa. She got a 20% discount on it. Had she gotten a 25%
discount, she would h

C
D
C
X
in the adjoining figure ABCD is a rectangle, the
value of angle x is
60°
(b) 90°
1

1 thought on “<br />[tex]lf = sin2x \: then \: \frac{dy}{dx} at \: x = \frac{\pi}{2} is \\ option \\ 1)2 \\ 2) – 2 \\ 3) – 1 \\ 4)0[/tex]<br /”

  1. Answer:

    Given y=sin2x

    Differentiate on both sides w.r.t. x

    dx

    dy

    ​

    =

    dx

    d

    ​

    (sin2x)

    =cos2x

    dx

    d

    ​

    (2x)

    ∴

    dx

    dy

    ​

    =2cos2x

    Step-by-step explanation:

    Reply

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