Answer:
2cosAcos2A, 4sinAcos^2A
Step-by-step explanation:
cos3A+cosA
2cos((3A+A)/2)cos((3A-A)/2)
2cos(4A/2)cos(2A/2)
2cosAcos2A
sin3A+sinA
2sin((3A+A)/2)cos((3A-A)/2)
2sin(4A/2)cos(2A/2)
2sin2AcosA
4sinAcos^2A
The area of the panel is 80ft^2
Answer:
Step-by-step explanation:
Answer:
ask google they know or go to tiger.com algebra they can help you answer it gives you the answer and how they got it
Step-by-step explanation:
