Ami N.
asked • 05/01/22How to solve this?
Verify the identity,
(sinx +cosx)2 /(1 + 2sinxcoxx) = 1
More
1 Expert Answer
Mark M. answered • 05/01/22
Tutor
4.9
(953)
Retired Math prof with teaching and tutoring experience in trig.
(sinx + cosx)2 = (sinx + cosx)(sinx + cosx) = sin2x + 2sinxcosx + cos2x = 1 + 2sinxcosx
So, (sinx + cosx)2 / (1 + 2sinxcosx) = (1 + 2sinxcosx) / (1 + 2sinxcosx) = 1
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.
Mark M.
Equations are solved. Identities are verified.05/02/22