Question

2. The value of sin 120°cos 150° – cos 240° sin 330° is​

Answer 1

Answer:

-1

Step-by-step explanation:

sin(90+30)cos(90+60)−cos(180+60)sin(360−30)

cos30⋅−sin60+cos60⋅−30

3–√2⋅−3–√2−12⋅12

−34−14

−1