Guest

Let A and B denote the statements A : cos a + cos ß + cos ? = 0 B : sin a + sin ß + sin ? = 0 If cos (ß – ?) + cos (? – a) + cos (a – ß) = -3/2 then

Let A and B denote the statements A : cos a + cos ß + cos ? = 0 B : sin a + sin ß + sin ? = 0
If cos (ß – ?) + cos (? – a) + cos (a – ß) = -3/2 then

Grade:11

2 Answers

Arun
25757 Points
2 years ago
Dear student
 
Question is incomplete. Please check and repost the question. You can also attach an image. I will be happy to help you.
Vikas TU
14149 Points
2 years ago
Dear student 
Question is not clear 
Please attach an image, 
We will happy to  help you 
Good Luck
Cheers
 

Think You Can Provide A Better Answer ?