2009-10-08, 04:54 AM
Remember the trig identity sin(x)^2 + cos(x)^2 = 1?
Divide the whole thing by cos(x)^2, and you get a new trig identity!
tan(x)^2 + 1 = sec(x)^2 = 1 / cos(x)^2
(in case you didn't know, ^ means "to the power of")
Also... no one can help me on my problem?
Divide the whole thing by cos(x)^2, and you get a new trig identity!
tan(x)^2 + 1 = sec(x)^2 = 1 / cos(x)^2
(in case you didn't know, ^ means "to the power of")
Also... no one can help me on my problem?