∫▒cos⁡〖x+sin⁡x 〗/√(7-2 sin⁡2x )dx

1. What is congruence? 

Let U be the set of all triangles in a plane. If A is the set of all triangles with at least one angle different from 60, what is it?

draw appropriate venn diagram for each of the following? AuB)'

draw appropriate venn diagram for each of the following? (i) (AuB)'

how can we do gst reconcilation

evaluate 3x(2x-7)-3(x-4)-63 for x=-2.