Question

@hartnn

Answer 1

i just wanna make sure i did it rright(:

Answer 2

is it that or subtracting them two?

Answer 3

whats the question ?

Answer 4

its correct! :)

Answer 5

yay! on a roll(:

Answer 6

adding them right?

Answer 7

@hartnn cause i put two answers hahah

Answer 8

i only see
2 sin x + 2 cos x
which is correct

Answer 9

thank you !

Answer 10

welcome ^_^

Answer 11

bdw why do you keep deleting your questions ?

Answer 12

because people who dont do the work look the question on google and this comes up and they just look up answers(:

Answer 13

sin -> cos -> -sin -> - cos -> +sin -> and it repeats

Answer 14

so its not cos x

Answer 15

yay so false(:

Answer 16

thank you !!!!!

Answer 17

yes

Answer 18

welcome ^_^