# Find the value of (1/cos C) ?

Answer: 1/ Cos C = Sec C

We need to find an equivalent expression of $\frac{1}{Cos \,c}$

We know that

$\frac{1}{Sin \,x} = Cosec\,x$ $\frac{1}{Cos \,x} = Sec\,x$ $\frac{1}{Tan \,x} = Cot\,x$

∴ $\frac{1}{Cos \,C} = Sec\,C$