Asked by Lucy
Find the exact value of cos 375 degrees.
Answer: (sqrt6 + sqrt2)/4
Is this correct?
Answer: (sqrt6 + sqrt2)/4
Is this correct?
Answers
Answered by
Damon
15 deg
sin (30/2)= sqrt [(1-cos 30)/2 ]
cos 30 = sqrt 3 /2
sqrt [ (1- sqrt 3/2)/2]
sqrt [ (2 - sqrt (3) ) /4 ]
= (1/2) sqrt (2 - sqrt 3)
sin (30/2)= sqrt [(1-cos 30)/2 ]
cos 30 = sqrt 3 /2
sqrt [ (1- sqrt 3/2)/2]
sqrt [ (2 - sqrt (3) ) /4 ]
= (1/2) sqrt (2 - sqrt 3)
There are no AI answers yet. The ability to request AI answers is coming soon!
Submit Your Answer
We prioritize human answers over AI answers.
If you are human, and you can answer this question, please submit your answer.