Which is the smallest fraction among the given fraction ?
\( \frac{4}{9} \) , \( \frac{5}{4} \) , \( \frac{3}{8} \) , \( \frac{6}{7} \)
\( \frac{6}{7} \)
\( \frac{5}{4} \)
\( \frac{4}{9} \)
\( \frac{3}{8} \)
If x= cos -1 (cos 4) and y=sin -1(sin 3) then which of the following conditions is true?
tan(x−y)=tan \( \frac{1}{2} \)
x+2y=2
tan(x+y)=−tan7
x+y+1=0