question_answer

Find the value of the expression\[\frac{{{\sin }^{2}}{{22}^{o}}+{{\sin }^{2}}{{68}^{o}}}{{{\cos }^{2}}{{22}^{o}}+{{\cos }^{2}}{{68}^{o}}}+{{\sin }^{2}}{{63}^{o}}+\cos {{63}^{o}}\sin {{27}^{o}}\]

A)  3                                            

B)  2   

C)  1                            

D)         0