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Trigonometry expression sin^n(x)/(sin^n(x)+cos^n(x))

Vali

Member
Dec 29, 2018
48
Hi!
I have sin^n(x)/(sin^n(x)+cos^n(x))
The expression is the same with 1/(ctg^n(x)+1) and I have no idea how to get to this answer.
Can you help me?
 

MarkFL

Pessimist Singularitarian
Staff member
Feb 24, 2012
13,661
St. Augustine, FL.
If you divide the numerator and denominator by \(\sin^n(x)\) what do you get?
 

Vali

Member
Dec 29, 2018
48
1/[(sin^n(x)+cos^n(x))/sin^n(x)]
edit:
I get it.Thanks a lot! :)