Question

solve cos45 + sin45 -tan45 - cot45

Answer 1

Using the following values to solve:-
\[\cos(45)=\frac{1}{\sqrt{2}}\]\[\sin(45)=\frac{1}{\sqrt{2}}\]\[\tan(45)=1\]\[\cot(45)=\frac{1}{\tan(45)}=\frac{1}{1}=1\]