Answer:
C is correct
Step-by-step explanation:
y = cos(0.4x)
4x = 32 - 2x
Add -2x (or subtract 2x) from each side
2x = 32
Divide both sides by 2
x = 16
Ill teach you how to do some of these things so you won't be having to use this site
Answer:
possible numbers, he can make with cards 5 9 0 :
Yes it is true:
(1 - cos^2 x) = sin^2 x Sqr.(1 - cos^2 x) = sin x and (-sinx) True, since sin x negative. Also, x terminates in quadrant 3 and 4. Hope this is helpful
