Question

Sina2x=Sin 60xCos 30- cos60xSin 30​

Answer 1

Step-by-step explanation:

sin2x=sin60cos30−cos60sin30

sin2x=

2

3

×

2

3

−

2

1

×

2

1

sin2x=

4

3

−

4

1

sin2x=

2

1

sin2x=sin30

2x=30

x=15

∘