Q36 of 43 Page 5

If x sin (a + y) + sin a cos (a + y) = 0, prove that (CBSE 2013)

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


x=


Differentiating it with respect to x using the chain rule and product rule,







[ Since x=]





[ Since a + a = 1]


Hence Proved.

More from this chapter

All 43 →
34

Differentiate the following functions with respect to x:

  (CBSE 2013)

 35

Find , when

y = xlog x + (log x)x  (CBSE 2013)

 37

Find , when

  (CBSE 2013,2017)

 38

If ex + ey = ex + y, prove that   (CBSE 2014)