Question

The value of sin 0 + sin(0 + 120°) - sin(120° - 0) = (2)​

Answer 1

Answer:

Correct option is

B

3

2π

sinxsin(120

0

−x)sin(120

0

+x)

=sinx[sin

2

120

0

−sin

2

x]

=sinx(

4

3

−sin

2

x)

=

4

1

sin3x

Fundamental period of sinax is

a

2π

So, period of

4

1

sin3x is

3

2π

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