Question

What is cos(-150) degrees? Very urgent ready to give 20 pts

Answer 1

Answer:

heya mate there's your answer

cos(-theta)=cos(theta)

so cos(-150)=cos(150)

cos(150)=cos(90+60)

=-cos(60)

=-1/2

hope it helps you

Thank you

Answer 2

Answer:

Step-by-step explanation: