Q21 of 45 Page 1

If x sin (a + y) + sin a cos(a + y) = 0, prove that dy/dx = sin^2 (a+y)/sina

Formula:-




(iii)


Given:-


x sin (a + y) + sin a cos(a + y) = 0



Using formula (i)



Differentiating with respect to y on both sides


We know that



Using formula (ii)




Using formula (iii)




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