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Please anyone tell me kya y=acoswt+theta …

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Please anyone tell me kya y=acoswt+theta ko y= acoswtsintheta+asinwtcostheta likh sakte hai kya

    • Posted by Yuthika Yadav 7 years, 10 months ago

    CBSE > Class 12 > Physics
    • 1 answers

    Kalindi Yadav 7 years, 10 months ago

    No.Becuse Y= a cos(wt+ϕ) can be written as a( coswt cos ϕ- sin wt sin ϕ). Since cos(A+B)=cos A cos B - sin A sin B. But,Y=a sin(wt+ϕ) can be written as Y= a(sin wt cos ϕ + cos wt sin ϕ).Because sin (A+B)= sin A cos B + cos A sin B.

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