Ask your own question, for FREE!
Mathematics 13 Online
OpenStudy (anonymous):

cosxtanx-2cos^2x=-1, solve for all real values

OpenStudy (anonymous):

look at the problem...

OpenStudy (anonymous):

substitute \(\tan x={\sin x\over\cos x}\) then convert cos^2 to sin^2 you'd get a quadratic in terms of "sin x"

Can't find your answer? Make a FREE account and ask your own questions, OR help others and earn volunteer hours!

Join our real-time social learning platform and learn together with your friends!
Can't find your answer? Make a FREE account and ask your own questions, OR help others and earn volunteer hours!

Join our real-time social learning platform and learn together with your friends!