Bill D.

asked • 12/18/16

Trig Identity - Prove Each Identity - Show All Work

prove (1 - cos2x)(1 - tan2x) = sin2x cos2x/1-sin2x
 
I can't seem to solve this! Halp!!!

1 Expert Answer

By:

Mark M. answered • 12/18/16

Tutor
5.0 (278)

Mathematics Teacher - NCLB Highly Qualified

See tutors like this
See tutors like this
Using the left side:
(1 - cos2)(1 - tan2)
(1 - cos2)(1 - sin2/cos2)
1 - cos2 - sin2/cos2 + sin2
 
Can you proceed?
 
Upvote • 0 Downvote
More
Report

Bill D.

Are you able to keep going :3
Report

12/18/16

Mark M.

Yes, I am able. Try and you might see that you are also!
Hint: determine LCD and combine.
Report

12/18/16

Bill D.

Can you show me what you did next? To the end please? I got the wrong answer still. 
Report

12/19/16

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.