1 Answered Questions for the topic trigonometry and algebra

Trigonometry And Algebra Trigonometry

07/31/19

Think book answer may be wrong

Hi, Our school course book is Understanding Pure Mathematics by Sadler and Thorning and we are asked to solve cot(2x) = -2/5 for which the book gives four answers: 55.9, 145.9, 235.9, and 325.9.... more
Follows • 1
Expert Answers •3

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.