Welcome to Maths Questions and Answers, where you can ask questions and receive answers from other members of Mathster.

Only your first name and the initial of your surname is publicly displayed for your privacy and protection. Please behave appropriately and with respect for others. Never give out personal identification or contact details. Mathster staff and your maths teacher reserve the right to terminate your access to this service at their discretion.

Most popular tags

Express the cosine of angle ABC as a ratio of the sides of triangle ABC

–2 votes
698 views asked May 29, 2015 by Madiya F a Novice (10 points)

1 Answer

+1 vote

cosine of angle =  adjacent / hypotenuse

so use this ratio (fraction) with the numbers that correspond to your adjacent and hypotenuse in your problem.

answered Jul 10, 2015 by Andrew H a Novice (30 points)

Related questions

0 votes
1 answer 761 views
761 views asked Jan 30, 2016 by Amerali T a Spark of Genius (158 points)
–4 votes
1 answer 1,133 views
1,133 views asked Mar 10, 2015 by Pierluigi D a Novice (2 points)
+4 votes
1 answer 1,091 views
1,091 views asked Jun 30, 2015 by Ceana S a Novice (10 points)
–5 votes
2 answers 1,160 views
1,160 views asked May 29, 2015 by Oliver T a Novice (4 points)
–29 votes
2 answers 7,127 views

Copyright 2013 Mathster.com

...