Welcome :: Homework Help and Answers :: Mathskey.com
Welcome to Mathskey.com Question & Answers Community. Ask any math/science homework question and receive answers from other members of the community.

13,435 questions

17,804 answers

1,438 comments

774,940 users

can you show me how to solve

0 votes

An equation is given. (Enter your answers as a comma-separated list. Round terms to three decimal places where appropriate. If there is no solution, enter NO SOLUTION.)

2 cos 2θ 1 = 0
(a) Find all solutions of the equation.
θ =
 



(b) Find the solutions in the interval [0, 2π).
θ =

 

asked Apr 9, 2016 in PRECALCULUS by anonymous

1 Answer

0 votes

Step 1:

The trigonometric equation is image.

Find the solution of the equation.

image

General solution for image: image

image

The solution of the equation image

Step 2:

Find the solution of the equation image.

image for the interval image.

image

The solution of the equation

image.

Solution :

(a)

The solution of the equation image

(b)

The solution of the equation

image.

answered Apr 9, 2016 by Anney Mentor

Related questions

asked Apr 9, 2016 in PRECALCULUS by anonymous
asked Apr 9, 2016 in PRECALCULUS by anonymous
asked Mar 26, 2016 in PRECALCULUS by anonymous
asked Mar 20, 2016 in PRECALCULUS by anonymous
asked Feb 18, 2016 in PRECALCULUS by anonymous
...