Annie M.

asked • 04/09/17

Precalc Trigonometry question. Please help!

An equation is given. (Enter your answers as a comma-separated list. Let k be any integer. Round terms to three decimal places where appropriate.
sin(2θ) = 4 cos(2θ)
Find all solutions to the equation. (θ= ____)
 
I know you need to use double angle identities for this problem but I cannot figure it out. 

2 Answers By Expert Tutors

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Michael J. answered • 04/09/17

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Effective High School STEM Tutor & CUNY Math Peer Leader

Ira S. answered • 04/09/17

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