- #1
icystrike
- 445
- 1
Homework Statement
k=[tex]\frac{1+sinx}{cosx}[/tex]
prove that [tex]\frac{1}{k}[/tex]=[tex]\frac{1-sinx}{cosx}[/tex]
thanks in advance
Homework Equations
The Attempt at a Solution
i tried substitution of 1 with
cos^2(x)+sin^2(x) and
cosec^2(x)-cot^2(x) and
sec^2(x)-tan^2(x)
but I am stucked agn..