Trigonometry (11th Edition) Clone

Published by Pearson
ISBN 10: 978-0-13-421743-7
ISBN 13: 978-0-13421-743-7

Chapter 2 - Review Exercises - Page 94: 39



Work Step by Step

Our calculator, set to DEGREES, gives $\sin 50^{o}+\sin 40^{o}\approx$1.40883205281 and $\sin 90^{\mathrm{o}}=1$, LHS$\neq$RHS the statement is false.
Update this answer!

You can help us out by revising, improving and updating this answer.

Update this answer

After you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.