Greg T. answered • 05/16/19
Tutor
5
(1)
Career Engineer with a passion for learning
Sin2x is 2sinxcosx from the identity so just substitute
sin2x - cosx = 2sinxcosx - cosx = cosx(2sinx - 1)
RACHEL C.
asked • 05/16/19Rewrite with only sin x and cos x. sin 2x - cos x
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.
