sint = opposite side over hypotenuse = -3/7. hypotenuse = 7
cost = adjacent side over hypotenuse
adjacent side= -sqr(7^2 -3^2) = -sqr(49-9)= sqr40 = -2sqr10. take the negative square root because t is in quadrant III
cost = -2sqr10/7
Omar M.
asked • 08/30/21Trig Identities
Suppose that t is in the third quadrant and that sint = -3/7. What is the value of cost?
Follow
•
1
Add comment
More
Report
1 Expert Answer
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.
