Answer:
D 0.2
Step-by-step explanation:
YES THIS IS RIGHT
its upsidedown what are you doing
(2 cos(2x)) / (cot x – tan x)
Multiply top and bottom by sin x cos x:
(2 cos(2x) sin x cos x) / (cos² x – sin² x)
Use double angle formula:
(2 cos(2x) sin x cos x) / (cos(2x))
2 sin x cos x
sin(2x)
D
The value for c is B. 49
