[tex] \sin(90) +  \cos(45 ) = [/tex]
                                             
                                          
                                          
                                        
											 
											Answer:
you know that sin 90 is 1 and cos 45 is 1/√2
so,
[tex]sin90 + cos45 \\ = 1 + \frac{1}{ \sqrt{2} } \\ = \frac{ \sqrt{2} + 1 }{2} [/tex]