Try this solution (note, this is not the only way):
Q1: if sin(x- 3pi/2)=-sin(3pi/2- x)=--cosx=cosx, then sin(x- 3pi/2)=cosx and sin(x- 3pi/2)=<u>7/25</u>.
Q2: if tan(x)=√3 and x∈(180°;270°), then x=arctan√3+180°=60+180=240°.
If x=240°, then sin(x-210°)=sin30°=<u>0.5</u>.
Answer:
The second one is correct.
116 is the answer. hope that helped
Answer:
the answer is A. 4ft
Step-by-step explanation:
12 feet in the 4 yards 12 divided by 3 equal 4
