f -C awww-awu.aleks.com/alekscgi/x/Isl.ex . TRIGONOMETRIC FUNCTIONS 0/5 Relationship between the sines and cosines of complementary... Complete the following. Part 1: Use t, u, and v to fill in the blanks. X 5 2 Make sure to use the appropriate upper-case or lower-case letters. sin T= cos U= sin U= cos T= Part 2: In A TUV, LT and Z U are (Choose one) Part 3: Select all of the true statements. O cos T= sin U O sin T = sin U O sin T= cos U O cos T= cos U None of the above is true. Part 4: Fill in the blank. cos (67) = sin (].)