<span>sin can be positive in 1st and 2nd quadrants.
cos can be negative in 2nd and 3rd quadrants.</span>
Coordinates of C ( 3, - 2 ). After the rotation for 90° clockwise new coordinates would be C ` ( - 2, - 3 ).
Answer:
B ) ( x , y ) → ( y, -x ) ; C`( -2, - 3 )
This is how i worked it out.
Good Luck
Answer:
x=38.5
Step-by-step explanation:
cos(x)=
x=38.5(correct to the nearest tenth)