D Question 6 Verify the identity by combining fractions. 1 - csc x 1 + csc x = -2tan2x Edit Format Table 12pt Paragraph BIUAV LVT V R 6 | : E3 0 words D Question 7 Verify the identity by using conjugates. sin 0 csc 0 - cot 6 =1 + cos 0 Edit Format Table 12pt Paragraph BIUAV LV T V 6 | : BE3 4 0 words Question 8 Verify the identity. sin x tan x - sin x cos x tan x + cos x - = tan x (tan x - 1) Edit Format Table 12pt V Paragraph BI U A V Q V T V 6 | : (853 0 words D Question 9 Use an addition or subtraction formula to find the exact value. sin(-75 ) Edit Format Table 12pt \\ Paragraph BIUAV LV T V 6 : I CamScanner