Mark the tick against the correct answer in the following: The mathematical expression sin[2 sin^(-1) (4/5)] is shown.

Q42 of 126 Page 140

Mark the tick against the correct answer in the following:

To Find: The value of sin (2)

Let , x =

sin x =

We know that ,cos x =

Now since, x = ,hence sin (2) becomes sin(2x)

Here, sin(2x)= 2 sin x cos x

Mark the tick against the correct answer in the following:

If then x = ?

Mark the tick against the correct answer in the following:

If then x = ?