Question

Os 3 Evaluate
2 sin 230° - 3 cos 245 ton²60°
​

Answer 1

2sin30˚+2tan45˚−3cos60˚−2cos

2

30˚

=2×

2

1

+2×1−3×

2

1

−2(

2

3

)

2

=1+2−

2

3

−

2

3

=0