Caleb N.
asked • 09/28/22sin α = 4/5, α lies in quadrant I, and sin β = 7/25, β lies in quadrant II
More
1 Expert Answer
Mark M. answered • 09/29/22
Tutor
5.0
(278)
Mathematics Teacher - NCLB Highly Qualified
Dewtermin cos α and cos β. Use a unit circle.
Use the sum formulas (they should be in your text book).
Do you have a question as to how to use them?
Still looking for help? Get the right answer, fast.
Ask a question for free
Get a free answer to a quick problem.
Most questions answered within 4 hours.
OR
Find an Online Tutor Now
Choose an expert and meet online. No packages or subscriptions, pay only for the time you need.
Mark M.
Good to know. Now what is your question?09/28/22