If y = cos–1 x, Find d2y/dx2 in terms of y alone.
It is given that y = cos–1 x
Now,
Therefore,
………………………(1)
Now it is given that y = cos–1 x
⇒ x= cosy
Now putting the value of x in equation (1), we get
15
If y = cos–1 x, Find d2y/dx2 in terms of y alone.
It is given that y = cos–1 x
Now,
Therefore,
………………………(1)
Now it is given that y = cos–1 x
⇒ x= cosy
Now putting the value of x in equation (1), we get