How do I simplify the trigonometric expression? cos(x)/sec(x) + tan(x)
2 Answers
Feb 7, 2018
Explanation:
Identity:
Feb 7, 2018
It can be simplified to
Explanation:
I will assume that the question asks
Using our fundamental identities of
#cosx/(1/cosx + sinx/cosx)#
#cosx/((1 + sinx)/cosx)#
#cos^2x/(1+ sinx)#
We know that
#(1 - sin^2x)/(1 + sinx)#
#((1 +sinx)(1 - sinx))/(1 + sinx)#
#1 - sinx#
Hopefully this helps!