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
=2
=
1
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
=2
=