question_answer

If q is an acute angle and\[\sin \,\,q=\cos \,\,q\], find the value of \[2{{\tan }^{2}}q+{{\sin }^{2}}q-1.\]

A) \[\frac{2}{5}\]              

B) \[\frac{3}{2}\]

C) \[\frac{2}{3}\]              

D)        \[\frac{4}{5}\]

E) None of these