Asked by Evan

Is the given equation an identity or a conditional eqution

sin(-x) tan(-x) + cos(-x) = sec x
Answered by Steve
let's get rid of all the - signs

sin(x) tan(x) + cos(x) = sec x

sin^2x/cosx + cosx = secx
(sin^2x + cos^2x)/cosx = secx

now what do you think?
There are no AI answers yet. The ability to request AI answers is coming soon!