abigailturner1202 abigailturner1202
  • 18-04-2021
  • Mathematics
contestada

find the expression as the cosine of an angle
cos pi/4 cos pi/9 - sin pi/4 sin pi/9

Respuesta :

StrugglingBean
StrugglingBean StrugglingBean
  • 23-04-2021

Answer: cos(13pi/36)

Step-by-step explanation: just did the assignment

Answer Link

Otras preguntas

how did the Indian ruler's lose their independence by signing the subsidiary alliance with the British
What was the proclamation of 1763 and how did colonists react to it?
A circular pool has a diameter of 40 feet and is surrounded by a wooden deck that has a width of 4 feet and a depth of 6 inches. what is the volume of the woode
Sofia has saved $10,000 and wants to be sure that she is earning substantial interest on her money. Though she plans to add to her savings as her earnings incre
Your gross weekly earnings are $375. Determine your monthly salary.
Hi, I would like to know if anyone knows any company that teaches English for free to people from other countries.
To find the radius of a circle, you multiply the diameter by 2.
It takes fifteen minutes to complete a drilling operation using a lathe. the duration of this operation is known as _____ time.
One of the main disadvantages of buying a franchise is that you may end up A. paying too much for operating costs. B. hiring a large staff. C. choosin
Help plz plz plz plz plz plz plz