Welcome :: Homework Help and Answers :: Mathskey.com

Recent Visits

    
Welcome to Mathskey.com Question & Answers Community. Ask any math/science homework question and receive answers from other members of the community.

13,026 questions

17,572 answers

1,432 comments

33,495 users

cos^2(alpha) + cos^2(beta) + cos^2(gamma) = 1

0 votes

cos^2(alpha) + cos^2(beta) + cos^2(gamma) = 1

apha=110 beta=138.6 , find gamma

 

asked Sep 15 in TRIGONOMETRY by anonymous
reshown Sep 15 by bradely

1 Answer

0 votes

cos^2(alpha) + cos^2(beta) + cos^2(gamma) = 1

cos^2(110) + cos^2(138.6) + cos^2(gamma) = 1

0.117+0.563+ cos^2(gamma) = 1

cos^2(gamma)=0.32

cos(gamma)=0.5657

gamma=55.55

answered 1 week ago by johnkelly Apprentice

Related questions

...