Sorry, a bit late but i took it and it was A.
Answer:
can't be seen
Step-by-step explanation:
try again by asking a new question
Answer:
60° =
radians
Step-by-step explanation:
To convert from degrees to radians
radian measure = degree measure × 
Thus 60° in radian measure
= 60 ×
( divide ( cancel) 60 and 180 by 60 )
= 
Answer:
Yes because the 1st and 3rd one are functions
Step-by-step explanation:
Answer:
If you've learnt sin(A+B) = sinAcosB + cosAsinB,
sin(4u)
= sin(2u+2u)
= sin(2u)cos(2u) + cos(2u)sin(2u)
= 2 sin(2u) cos(2u).