This is a straight numeric problem...no magic and no tricks.
Use your calculator to compute (pi/8) - .5.
Then get cos of the result and square it.
Nick S.
asked • 11/15/18trigonometry question
cos^2(pi/8-1/2)
Not sure how to go about solving this... is it a cofunction identity or a sum and difference? Help please! Thanks!
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.
