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

When ethical relativism is put into practice, it implies that?
This excerpt from Lincoln's speech gives the speech's most radical example of a(n) _____.
which of the following is a irrational number √25, -31 1.414213562, 1/15
You and your friend play an arcade game. You get 5 points for every 9 points your friend scores. You score 320 points less than your friend. How many points did
Evaluate the expression when n=9. n2-14
What is 0.00000387 in scientific notation​
What will most likely happen if a person does not consume the minimum Dailey requirement of carbohydrates
If the country enters a period of prosperity, resulting in consumer income increasing by 4% and the income elasticity of a good is 0.8, what will happen to the
Clarence Gravlee and his colleagues carried out research in Puerto Rico, attempting to explain why darker skin pigmentation was associated with higher blood pre
The editor of a textbook publishing company is deciding whether to publish a proposed textbook. Information on previous textbooks published show that 10 % are h