Verify the identity:
sin x/tan x + cos x/cot x = sin x + cos x
cos x + sin x
LOL, I just looked at it and wrote it
because
sin x/tan x = sin x /(sin x/cos x)
= cos x
etc
sin x/tan x + cos x/cot x = sin x + cos x
LOL, I just looked at it and wrote it
because
sin x/tan x = sin x /(sin x/cos x)
= cos x
etc