Ask your own question, for FREE!
Mathematics 8 Online
OpenStudy (anonymous):

5sinβ=4 and β is an acute angle, what is cosβ

OpenStudy (tkhunny):

1) Please draw a Right Triangle. 2) Designate an acute angle as \(\beta\). 3) Label two sides so that \(\sin(\beta) = 4/5\) 4) Use the Pythagorean Theorem to calculate the length of the third side. You're nearly done!

Can't find your answer? Make a FREE account and ask your own questions, OR help others and earn volunteer hours!

Join our real-time social learning platform and learn together with your friends!
Can't find your answer? Make a FREE account and ask your own questions, OR help others and earn volunteer hours!

Join our real-time social learning platform and learn together with your friends!