Alyssa R.

asked • 07/23/19

How to find cos(2x)

If tan x= 24/7, and 0° < x < 90°, what is cos(2x)?

1 Expert Answer


Mustafa S. answered • 07/23/19

4.2 (5)

High School AP Math/Science Teacher with SAT prep experience

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.


Find an Online Tutor Now

Choose an expert and meet online. No packages or subscriptions, pay only for the time you need.