Question

Help me with my math please

Answer 1

The answer is -9
Hope it helped

Answer 2

Answer:

• - 9

Step-by-step explanation:

• 3 cos π - 12 sin (5π/6) =
• 3(-1) - 12 sin (π - π/6) =
• -3 - 12 sin π/6 =
• -3 - 12(1/2) =
• -3 - 6 =
• -9